Science - KhanAcademy

Section outline

Select section General

Collapse Expand
General

Collapse all Expand all
Select section 1.Chemical Reactions and Equations

Collapse Expand
1.Chemical Reactions and Equations
- Collapse Expand
  Chemical Equations
  
  Select activity Intro to Chemical reactions
  
  
  
  Intro to Chemical reactions Lesson
  
  Students must
  
  Mark as done
  
  Select activity Balancing chemical equations
  
  
  
  Balancing chemical equations Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity Balancing more complex chemical equations
  
  
  
  Balancing more complex chemical equations Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity Chemical Equations--Test
  
  
  
  Chemical Equations--Test Quiz
  
  Students must
  
  Receive a grade
- Collapse Expand
  Types of Chemical Reactions
  
  Select activity Combination and decomposition reaction
  
  
  
  Combination and decomposition reaction Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity Displacement reaction
  
  
  
  Displacement reaction Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity Double displacement reaction
  
  
  
  Double displacement reaction Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity All types of reactions: Solved examples
  
  
  
  All types of reactions: Solved examples Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity Oxidation and reduction (Conventional definition)
  
  
  
  Oxidation and reduction (Conventional definition) Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity Exothermic and endothermic reactions
  
  
  
  Exothermic and endothermic reactions Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity Exothermic and endothermic: Common processes and solved examples
  
  
  
  Exothermic and endothermic: Common processes and solved examples Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity Types of Chemical Reactions--Test
  
  
  
  Types of Chemical Reactions--Test Quiz
  
  Students must
  
  Receive a grade
Select section 2.Acids, Bases and Salts

Collapse Expand
2.Acids, Bases and Salts
- Collapse Expand
  Understanding of Chemical properties of acids and basis
  
  Select activity Reaction of acids and bases with metals
  
  
  
  Reaction of acids and bases with metals Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity Reaction of acids with metal carbonates and bicarbonates
  
  
  
  Reaction of acids with metal carbonates and bicarbonates Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity Metal and non-metal oxides, reacting with acids and bases
  
  
  
  Metal and non-metal oxides, reacting with acids and bases Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity Understanding of Chemical properties of acids and basis--Test
  
  
  
  Understanding of Chemical properties of acids and basis--Test Quiz
  
  Students must
  
  Receive a grade
- Collapse Expand
  How Strong are Acid or Base Solutions?
  
  Select activity Introduction to pH
  
  
  
  Introduction to pH Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity Strength of solution vs concentration
  
  
  
  Strength of solution vs concentration Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity Strong and weak acids/bases
  
  
  
  Strong and weak acids/bases Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity pH change & the concentration of H+/OH-
  
  
  
  pH change & the concentration of H+/OH- Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity How Strong are Acid or Base Solutions?--Test
  
  
  
  How Strong are Acid or Base Solutions?--Test Quiz
  
  Students must
  
  Receive a grade
- Collapse Expand
  More About Salts
  
  Select activity Litmus solution (Natural indicator)
  
  
  
  Litmus solution (Natural indicator) Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity Baking soda
  
  
  
  Baking soda Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity Bleaching powder
  
  
  
  Bleaching powder Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity Washing soda
  
  
  
  Washing soda Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity Acid base neutralisation reaction
  
  
  
  Acid base neutralisation reaction Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity Given salt, find acid and base
  
  
  
  Given salt, find acid and base Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity Identify salts as neutral, acidic, or basic
  
  
  
  Identify salts as neutral, acidic, or basic Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity More About Salts--Test
  
  
  
  More About Salts--Test Quiz
  
  Students must
  
  Receive a grade
Select section 3.Metals and Non-metals

Collapse Expand
3.Metals and Non-metals
- Collapse Expand
  Physical Properties
  
  Select activity Intro to physical properties of metals
  
  Intro to physical properties of metals Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity Physical Properties--Test
  
  Physical Properties--Test Quiz
  
  Students must
  
  Receive a grade
- Collapse Expand
  Chemical Properties of metals
  
  Select activity Metals reacting with acid
  
  
  
  Metals reacting with acid Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity Metals reacting with oxygen
  
  
  
  Metals reacting with oxygen Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity Metals reacting with water
  
  
  
  Metals reacting with water Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity Chemical Properties of metals--Test
  
  
  
  Chemical Properties of metals--Test Quiz
  
  Students must
  
  Receive a grade
- Collapse Expand
  How do Metals and Non Metals React?
  
  Select activity Ionic bonds: Reaction of metals & Non-metals
  
  Ionic bonds: Reaction of metals & Non-metals Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity How do Metals and Non Metals React?--Test
  
  How do Metals and Non Metals React?--Test Quiz
  
  Students must
  
  Receive a grade
- Collapse Expand
  Occurence of Metals
  
  Select activity Electrolytic refining of metals
  
  
  
  Electrolytic refining of metals Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity Extraction of metals - overview
  
  
  
  Extraction of metals - overview Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity Nature of metal oxides
  
  
  
  Nature of metal oxides Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity Reactivity series
  
  
  
  Reactivity series Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity Reduction of metal oxides - Extraction of metals
  
  
  
  Reduction of metal oxides - Extraction of metals Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity Roasting and calcination - extraction of metal
  
  
  
  Roasting and calcination - extraction of metal Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity Occurence of Metals--Test
  
  
  
  Occurence of Metals--Test Quiz
  
  Students must
  
  Receive a grade
Select section 4.Carbon and its Compounds

Collapse Expand
4.Carbon and its Compounds
- Collapse Expand
  Bonding in Carbon-The covalent Bond
  
  Select activity Carbon as a building block of life
  
  
  
  Carbon as a building block of life Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity Covalent bond
  
  
  
  Covalent bond Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity Covalent bond and Lewis dot structure (H2O & CO2)
  
  
  
  Covalent bond and Lewis dot structure (H2O & CO2) Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity Dot structures I: Single bonds
  
  
  
  Dot structures I: Single bonds Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity Dot structures II: Multiple bonds
  
  
  
  Dot structures II: Multiple bonds Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity Bonding in Carbon-The covalent Bond--Test
  
  
  
  Bonding in Carbon-The covalent Bond--Test Quiz
  
  Students must
  
  Receive a grade
- Collapse Expand
  Versatile Nature Of Carbon
  
  Select activity Alkanes, Alkenes, and Alkynes- General molecular formula
  
  
  
  Alkanes, Alkenes, and Alkynes- General molecular formula Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity Functional groups
  
  
  
  Functional groups Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity Hydrocarbon overview: Alkanes, Alkenes, and Alkynes
  
  
  
  Hydrocarbon overview: Alkanes, Alkenes, and Alkynes Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity Naming simple alkanes
  
  
  
  Naming simple alkanes Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity Nomenclature of carbon compounds (Including functional groups)
  
  
  
  Nomenclature of carbon compounds (Including functional groups) Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity Nomenclature of hydrocarbons: Alkanes, Alkenes, & Alkynes
  
  
  
  Nomenclature of hydrocarbons: Alkanes, Alkenes, & Alkynes Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity Representing structures of organic molecules
  
  
  
  Representing structures of organic molecules Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity Versatile Nature Of Carbon--Test
  
  
  
  Versatile Nature Of Carbon--Test Quiz
  
  Students must
  
  Receive a grade
Select section 5.Life Processes

Collapse Expand
5.Life Processes
- Collapse Expand
  What are Life Processes
  
  Select activity Intro to life processes
  
  Intro to life processes Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity What are Life Processes--Test
  
  What are Life Processes--Test Quiz
  
  Students must
  
  Receive a grade
- Collapse Expand
  Nutrition
  
  Select activity Autotrophs & heterotrophs (nutrition modes)
  
  
  
  Autotrophs & heterotrophs (nutrition modes) Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity Photosynthesis
  
  
  
  Photosynthesis Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity Digesting Food
  
  
  
  Digesting Food Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity Nutrition--Test
  
  
  
  Nutrition--Test Quiz
  
  Students must
  
  Receive a grade
- Collapse Expand
  Respiration
  
  Select activity Respiration site & ATP
  
  
  
  Respiration site & ATP Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity Aerobic & anaerobic respiration
  
  
  
  Aerobic & anaerobic respiration Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity Meet the lungs
  
  
  
  Meet the lungs Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity How does lung volume change?
  
  
  
  How does lung volume change? Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity Inhaling and exhaling
  
  
  
  Inhaling and exhaling Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity Respiration--Test
  
  
  
  Respiration--Test Quiz
  
  Students must
  
  Receive a grade
- Collapse Expand
  Transportation
  
  Select activity Meet the heart!
  
  
  
  Meet the heart! Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity Lymph, lymph nodes, & lymphatic system
  
  
  
  Lymph, lymph nodes, & lymphatic system Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity Two Circulations in the Body
  
  
  
  Two Circulations in the Body Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity Arteries vs. veins-what's the difference?
  
  
  
  Arteries vs. veins-what's the difference? Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity Flow through the heart
  
  
  
  Flow through the heart Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity Intro to vascular tissues (xylem & phloem)
  
  
  
  Intro to vascular tissues (xylem & phloem) Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity Xylem & transpiration
  
  
  
  Xylem & transpiration Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity Phloem & translocation
  
  
  
  Phloem & translocation Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity Transportation--Test
  
  
  
  Transportation--Test Quiz
  
  Students must
  
  Receive a grade
- Collapse Expand
  Excretion
  
  Select activity Meet the kidneys!
  
  
  
  Meet the kidneys! Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity Parts of a nephron
  
  
  
  Parts of a nephron Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity Excretion--Test
  
  
  
  Excretion--Test Quiz
  
  Students must
  
  Receive a grade
Select section 6.Control and Coordination

Collapse Expand
6.Control and Coordination
- Collapse Expand
  Animals-Nervous System
  
  Select activity Reflex action (& reflex arc)
  
  
  
  Reflex action (& reflex arc) Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity Nervous system (central & peripheral)
  
  
  
  Nervous system (central & peripheral) Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity Brain: Parts & functions (Fore, mid & hind)
  
  
  
  Brain: Parts & functions (Fore, mid & hind) Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity Endocrine system (major hormones & functions)
  
  
  
  Endocrine system (major hormones & functions) Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity Animals-Nervous System--Test
  
  
  
  Animals-Nervous System--Test Quiz
  
  Students must
  
  Receive a grade
- Collapse Expand
  Hormones in animals
  
  Select activity Hormones Intro & working
  
  Hormones Intro & working Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity Hormones in animals--Test
  
  Hormones in animals--Test Quiz
  
  Students must
  
  Receive a grade
- Collapse Expand
  Coordination in Plants
  
  Select activity Tropism (Types, positive & negative)
  
  
  
  Tropism (Types, positive & negative) Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity Major plant hormones (& how to remember)
  
  
  
  Major plant hormones (& how to remember) Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity Coordination in Plants--Test
  
  
  
  Coordination in Plants--Test Quiz
  
  Students must
  
  Receive a grade
Select section 7.How do Organisms Reproduce?

Collapse Expand
7.How do Organisms Reproduce?
- Collapse Expand
  Do Organisms Create Exact Copies of Themselves?
  
  Select activity Why reproduction (Intro)
  
  
  
  Why reproduction (Intro) Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity Variation & its importance
  
  
  
  Variation & its importance Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity Do Organisms Create Exact Copies of Themselves?--Test
  
  
  
  Do Organisms Create Exact Copies of Themselves?--Test Quiz
  
  Students must
  
  Receive a grade
- Collapse Expand
  Modes of Reproduction used by single organisms
  
  Select activity Reproduction, DNA, sexual & asexual
  
  
  
  Reproduction, DNA, sexual & asexual Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity Fission (binary & multiple) with examples
  
  
  
  Fission (binary & multiple) with examples Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity Budding, spores, fragmentation & regeneration
  
  
  
  Budding, spores, fragmentation & regeneration Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity Vegetative propagation (& advantages)
  
  
  
  Vegetative propagation (& advantages) Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity Modes of Reproduction used by single organisms--Test
  
  
  
  Modes of Reproduction used by single organisms--Test Quiz
  
  Students must
  
  Receive a grade
- Collapse Expand
  Sexual Reproduction
  
  Select activity Why sexual reproduction (faster variation)
  
  
  
  Why sexual reproduction (faster variation) Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity Flower: Parts of stamen, carpel
  
  
  
  Flower: Parts of stamen, carpel Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity Flower: Sexual parts (unisexual & bisexual)
  
  
  
  Flower: Sexual parts (unisexual & bisexual) Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity Pollination (self & cross)
  
  
  
  Pollination (self & cross) Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity Fertilisation, zygote, embryo, germination | How do organisms reproduce | Biology | Khan Academy
  
  
  
  Fertilisation, zygote, embryo, germination | How do organisms reproduce | Biology | Khan Academy Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity Male reproductive system (humans)
  
  
  
  Male reproductive system (humans) Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity Female reproductive sys, menstruation & fertilisation
  
  
  
  Female reproductive sys, menstruation & fertilisation Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity Germ cells, gametes & sexual reproduction
  
  
  
  Germ cells, gametes & sexual reproduction Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity Placenta
  
  
  
  Placenta Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity Contraceptives (mechanical barriers, hormonal, surgical)
  
  
  
  Contraceptives (mechanical barriers, hormonal, surgical) Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity Sexual Reproduction--Test
  
  
  
  Sexual Reproduction--Test Quiz
  
  Students must
  
  Receive a grade
Select section 8.Heredity

Collapse Expand
8.Heredity
- Collapse Expand
  Heredity
  
  Select activity Mendel's experiment (monohybrid cross)
  
  
  
  Mendel's experiment (monohybrid cross) Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity Why Mendel chose peas?
  
  
  
  Why Mendel chose peas? Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity Genes, DNA & chromosomes
  
  
  
  Genes, DNA & chromosomes Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity Sex determination
  
  
  
  Sex determination Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity Dominance & segregation laws
  
  
  
  Dominance & segregation laws Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity Heredity--Test
  
  
  
  Heredity--Test Quiz
  
  Students must
  
  Receive a grade
Select section 9.Light-Reflection and Refraction

Collapse Expand
9.Light-Reflection and Refraction
- Collapse Expand
  Reflection Of Light
  
  Select activity Reflection of light - Intro
  
  Reflection of light - Intro Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity Reflection Of Light--Test
  
  Reflection Of Light--Test Quiz
  
  Students must
  
  Receive a grade
- Collapse Expand
  Spherical Mirrors
  
  Select activity Spherical & parabolic mirrors
  
  
  
  Spherical & parabolic mirrors Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity Spherical mirrors, radius of curvature & focal length
  
  
  
  Spherical mirrors, radius of curvature & focal length Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity Concave mirrors
  
  
  
  Concave mirrors Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity Concave mirror applications
  
  
  
  Concave mirror applications Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity Convex mirror & applications
  
  
  
  Convex mirror & applications Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity Convex & concave mirror ray diagrams
  
  
  
  Convex & concave mirror ray diagrams Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity Sign conventions for mirror (& lenses)
  
  
  
  Sign conventions for mirror (& lenses) Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity Mirror formula
  
  
  
  Mirror formula Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity Magnification formula for mirrors
  
  
  
  Magnification formula for mirrors Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity Solved example: Mirror formula
  
  
  
  Solved example: Mirror formula Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity Spherical Mirrors--Test
  
  
  
  Spherical Mirrors--Test Quiz
  
  Students must
  
  Receive a grade
- Collapse Expand
  Refraction Of Light
  
  Select activity Refraction and Snell's law
  
  
  
  Refraction and Snell's law Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity Refraction through glass slab
  
  
  
  Refraction through glass slab Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity Absolute & Relative refractive index
  
  
  
  Absolute & Relative refractive index Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity Relative & absolute R.I. connection
  
  
  
  Relative & absolute R.I. connection Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity Convex lenses
  
  
  
  Convex lenses Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity Convex lens examples
  
  
  
  Convex lens examples Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity Concave lenses
  
  
  
  Concave lenses Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity Lens formula
  
  
  
  Lens formula Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity Magnification formula for lenses
  
  
  
  Magnification formula for lenses Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity Solved example on lens formula
  
  
  
  Solved example on lens formula Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity Power of lens
  
  
  
  Power of lens Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity Revision : Lenses and mirrors
  
  
  
  Revision : Lenses and mirrors Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity Refraction Of Light--Test
  
  
  
  Refraction Of Light--Test Quiz
  
  Students must
  
  Receive a grade
Select section 10.Human Eye and Colourful World

Collapse Expand
10.Human Eye and Colourful World
- Collapse Expand
  The Human Eye
  
  Select activity Parts of the eye
  
  
  
  Parts of the eye Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity Human eye: accommodation and near point
  
  
  
  Human eye: accommodation and near point Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity The Human Eye--Test
  
  
  
  The Human Eye--Test Quiz
  
  Students must
  
  Receive a grade
- Collapse Expand
  Defects of Vision and Their Correction
  
  Select activity Myopia & Hypermetropia
  
  
  
  Myopia & Hypermetropia Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity Presbyopia
  
  
  
  Presbyopia Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity Numerical on myopia
  
  
  
  Numerical on myopia Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity Defects of Vision and Their Correction--Test
  
  
  
  Defects of Vision and Their Correction--Test Quiz
  
  Students must
  
  Receive a grade
- Collapse Expand
  Refraction Of Light Through a Prism
  
  Select activity Prism & dispersion of light
  
  
  
  Prism & dispersion of light Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity Newton's prism experiment
  
  
  
  Newton's prism experiment Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity Refraction Of Light Through a Prism--Test
  
  
  
  Refraction Of Light Through a Prism--Test Quiz
  
  Students must
  
  Receive a grade
- Collapse Expand
  Atmospheric Refraction
  
  Select activity Why do stars twinkle (but planets don't)?
  
  
  
  Why do stars twinkle (but planets don't)? Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity Advanced sunrise & delayed sunset
  
  
  
  Advanced sunrise & delayed sunset Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity Atmospheric Refraction--Test
  
  
  
  Atmospheric Refraction--Test Quiz
  
  Students must
  
  Receive a grade
- Collapse Expand
  Scattering of Light
  
  Select activity Scattering of light & Tyndall effect
  
  
  
  Scattering of light & Tyndall effect Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity Why is the sky blue (and the sun yellow)?
  
  
  
  Why is the sky blue (and the sun yellow)? Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity Scattering of Light--Test
  
  
  
  Scattering of Light--Test Quiz
  
  Students must
  
  Receive a grade
- Collapse Expand
  Revision: Human eye & colourful world
  
  Select activity Revision: Human eye & colourful world
  
  Revision: Human eye & colourful world Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity Revision: Human eye & colourful world--Test
  
  Revision: Human eye & colourful world--Test Quiz
  
  Students must
  
  Receive a grade
Select section 11.Electricity

Collapse Expand
11.Electricity
- Collapse Expand
  Introduction
  
  Select activity Intro to charge
  
  
  
  Intro to charge Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity Unit of charge (Coulombs)
  
  
  
  Unit of charge (Coulombs) Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity Introduction--Test
  
  
  
  Introduction--Test Quiz
  
  Students must
  
  Receive a grade
- Collapse Expand
  Electric Current and Circuit
  
  Select activity Intro to current (& Amperes)
  
  
  
  Intro to current (& Amperes) Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity Solved example: Finding current & voltage in a circuit
  
  
  
  Solved example: Finding current & voltage in a circuit Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity Electric Current and Circuit--Test
  
  
  
  Electric Current and Circuit--Test Quiz
  
  Students must
  
  Receive a grade
- Collapse Expand
  Electric potential and potential difference
  
  Select activity Intro to potential difference (& voltage)
  
  
  
  Intro to potential difference (& voltage) Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity Solved example: Potential difference & work done
  
  
  
  Solved example: Potential difference & work done Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity Electric potential and potential difference--Test
  
  
  
  Electric potential and potential difference--Test Quiz
  
  Students must
  
  Receive a grade
- Collapse Expand
  Circuit Diagram and Ohms Law
  
  Select activity Introduction to circuits and Ohm's law
  
  Introduction to circuits and Ohm's law Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity Circuit Diagram and Ohms Law--Test
  
  Circuit Diagram and Ohms Law--Test Quiz
  
  Students must
  
  Receive a grade
- Collapse Expand
  Ohms Law
  
  Select activity Ohm's law graph (verifying Ohm's law)
  
  
  
  Ohm's law graph (verifying Ohm's law) Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity Solved example: (Ohm's law graph)
  
  
  
  Solved example: (Ohm's law graph) Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity Solved example: Ohms law
  
  
  
  Solved example: Ohms law Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity Ohms Law--Test
  
  
  
  Ohms Law--Test Quiz
  
  Students must
  
  Receive a grade
- Collapse Expand
  Factors on which Resistance of a conductor depends
  
  Select activity Resistivity and conductivity
  
  Resistivity and conductivity Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity Factors on which Resistance of a conductor depends--Test
  
  Factors on which Resistance of a conductor depends--Test Quiz
  
  Students must
  
  Receive a grade
- Collapse Expand
  Resistance of a system of Resistors
  
  Select activity Series resistors
  
  
  
  Series resistors Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity Parallel resistors (part 1)
  
  
  
  Parallel resistors (part 1) Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity Parallel resistors (part 2)
  
  
  
  Parallel resistors (part 2) Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity Parallel resistors (part 3)
  
  
  
  Parallel resistors (part 3) Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity Parallel resistors (part 3)
  
  
  
  Parallel resistors (part 3) Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity Example: Analyzing a more complex resistor circuit
  
  
  
  Example: Analyzing a more complex resistor circuit Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity Resistance of a system of Resistors--Test
  
  
  
  Resistance of a system of Resistors--Test Quiz
  
  Students must
  
  Receive a grade
- Collapse Expand
  Electric Power
  
  Select activity Electric power & energy
  
  
  
  Electric power & energy Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity Commercial unit of electrical energy
  
  
  
  Commercial unit of electrical energy Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity Solved example - Calculating power & heat dissipated
  
  
  
  Solved example - Calculating power & heat dissipated Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity Solved example - Cost of operation of electrical device
  
  
  
  Solved example - Cost of operation of electrical device Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity Solved example: Power dissipated in bulbs
  
  
  
  Solved example: Power dissipated in bulbs Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity Electric Power--Test
  
  
  
  Electric Power--Test Quiz
  
  Students must
  
  Receive a grade
- Collapse Expand
  CBSE board practice: Electricity numerical
  
  Select activity CBSE board practice: Electricity numerical
  
  CBSE board practice: Electricity numerical Lesson
  
  Not available for guest users. Please register to access the content.
Select section 12.Magnetic Effect of electric current

Collapse Expand
12.Magnetic Effect of electric current
- Collapse Expand
  Magnetic Field and Field Lines
  
  Select activity Intro to magnetic fields (Why fields?)
  
  
  
  Intro to magnetic fields (Why fields?) Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity Magnetic field lines (& their properties)
  
  
  
  Magnetic field lines (& their properties) Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity Magnetic Field and Field Lines--Test
  
  
  
  Magnetic Field and Field Lines--Test Quiz
  
  Students must
  
  Receive a grade
- Collapse Expand
  Magnetic field due to current carrying Conductor
  
  Select activity Magnetic field due to current carrying loop
  
  
  
  Magnetic field due to current carrying loop Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity Right hand thumb rule (& solved numerical)
  
  
  
  Right hand thumb rule (& solved numerical) Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity Magnetic fields through solenoids
  
  
  
  Magnetic fields through solenoids Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity Magnetic field due to current carrying Conductor--Test
  
  
  
  Magnetic field due to current carrying Conductor--Test Quiz
  
  Students must
  
  Receive a grade
- Collapse Expand
  Force on a current carrying conductor in a magnetic field
  
  Select activity Force on a current carrying conductor in a magnetic field
  
  
  
  Force on a current carrying conductor in a magnetic field Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity Fleming's left hand rule
  
  
  
  Fleming's left hand rule Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity Solved numerical: Fleming's left hand rule
  
  
  
  Solved numerical: Fleming's left hand rule Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity Force on a current carrying conductor in a magnetic field--Test
  
  
  
  Force on a current carrying conductor in a magnetic field--Test Quiz
  
  Students must
  
  Receive a grade
- Collapse Expand
  Domestic Electric Circuits
  
  Select activity Live wire, neutral & ground (earth wire) - Domestic circuits (part 1)
  
  
  
  Live wire, neutral & ground (earth wire) - Domestic circuits (part 1) Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity Domestic circuit connection & fuse - Domestic circuit (Part 2)
  
  
  
  Domestic circuit connection & fuse - Domestic circuit (Part 2) Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity Overload & short circuit: Domestic circuits (Part 3)
  
  
  
  Overload & short circuit: Domestic circuits (Part 3) Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity Domestic Electric Circuits--Test
  
  
  
  Domestic Electric Circuits--Test Quiz
  
  Students must
  
  Receive a grade
- Collapse Expand
  Revision: Magnetic effects of current
  
  Select activity Revision: Magnetic effects of current
  
  Revision: Magnetic effects of current Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity Revision: Magnetic effects of current--Test
  
  Revision: Magnetic effects of current--Test Quiz
  
  Students must
  
  Receive a grade
Select section 13.Our Environment

Collapse Expand
13.Our Environment
- Collapse Expand
  Eco Systems-What are its Components?
  
  Select activity Energy flow in food chains & webs
  
  Energy flow in food chains & webs Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity Eco Systems-What are its Components?--Test
  
  Eco Systems-What are its Components?--Test Quiz
  
  Students must
  
  Receive a grade
- Collapse Expand
  How Do Our Activities affect the Environment
  
  Select activity Ozone layer and how it gets depleted
  
  Ozone layer and how it gets depleted Lesson
  
  Not available for guest users. Please register to access the content.
  
  Select activity How Do Our Activities affect the Environment--Test
  
  How Do Our Activities affect the Environment--Test Quiz
  
  Students must
  
  Receive a grade

Started in 2023, JEET is on a Not-for-profit Mission to unite all the NGOs deeply engaged in education (sports & vocational included). The steering NGO of JEET is Ramakrishna Sarada Samti, www.rkssngo.org.

Science - KhanAcademy

Section outline

About Us

Resources

Quick Link

Contact Us