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ENERGY

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    energy and forms of energy
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  • Definition of energy
    It is all around us. It can't be created or destroyed. It changes from one form to another.
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  • If particles move faster, they create more or less energy?
    More.
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  • Chemical energy is...
    stored energy which is released when a chemical reaction takes place.
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  • Example of chemical energy
    Food / Plant
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  • What is kinetic energy?
    It is energy produced by movement.
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  • A toaster changes .......... energy into ......... energy.
    electrical energy into thermal / heat energy
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  • Energy can't be ........ or ........... It just changes from one form to another.
    created or destroyed
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  • What type of energy is in food?
    Chemical Energy
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  • What type of energy does sun have ?
    Heat and Light energy
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  • Oil and petrol have what type of energy?
    Chemical energy
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  • What does food give us? and for what?
    Food gives us energy to work and play.
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  • At what point is there the most potential energy?
    1
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  • At what point is there the most kinetic energy
    2
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  • The ball in position E has only kinetic energy, no potential energy. (TRUE or FALSE)
    FALSE The ball in position E has some potential and some kinetic energy.
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  • In the image, how does the potential energy of the woman half-way up the ladder compare to the potential energy of the woman on top of the ladder?
    The woman half-way up the ladder has only half as much PE. (Or the woman at the top has twice as much as the woman half-way down the ladder.)
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  • At which position on this roller coaster image are potential and kinetic energy about equal?
    Either position 2 OR position are correct answers.
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