Grade 8 Physics
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to show three main layers of sun
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planets in the solar system
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phases of the moon
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tides
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how is lunar eclipse caused
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how is solar eclipse caused
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the rule of deviation of rays in another optical medium
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to show the refraction of light through prism
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to show the disprsion of white light through a prism
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to show the converging action of convex lens on a parallel beam of light
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to show the diverging action of concave lens on parallel beam of light
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The rule of geometric construction of ray diagrams for convex lens
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to show the geometric construction of imaiges for convex lens and their practical applications
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the rules of geometric construction of ray diagrams for concave lens
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to show the defects of vision
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to show that light deviates from its paths while traveling from one optical medium to another optical medium
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to verify laws of refraction using a glass slab
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to find approximate focal length of hand lens and show that hand lens focuses heat rays
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advantages of high specific heat capacity of water
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heat energy contained in a body is directly proportional to the rise in temperature of the body
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the amount of heat contained in a body depends upon his mass
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the heat contained in a body depends upon the chemical composition (or the nature) of the body
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to study the change of sate of ice
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verification of archimedes principle
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the pressure exerted by a liquid is directly proportional to the height of liquid
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the pressure exerted by a liquid is directly proportional to its density
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the more the depth of water the more is the lateral pressure
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to prove that liquids exert same pressure in all direction at a given depth
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the water flows out of the holes in all direction with undiminished force
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to show atmosphere exerts most pressure
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to prove a solid weight less in water and move in air
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to prove boyount force is directly proportional to volume of fluid displaced
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to show a windmill generating electricity
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hydel energy and hydroelectricity power plant
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to show the kind of electric charge
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how GLE detects charge on a body
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to prove that chaege body attracts tiny bits of paper towards itself
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experiment to draw magnetic lines of force around a bar magnet
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oersteds experiment to show magnetic effect of current
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the iron filling move and reposition themselves due to magnetic fields
