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Energy
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What type of energy is in food?
chemical Energy
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Any object that is moving has what kind of energy?
kinetic energy
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Can energy be created?
No. It can only be transferred or changed.
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What is potential energy?
Energy that is stored
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Give one example of energy transfer.
-
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Which point has the most potential energy?
A - the highest position
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Batteries store _______ energy for later use, but often are charged using ______ energy
chemical, electrical
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A laptop transfers electrical energy to light, sound and thermal. Which type of energy is considered wasted?
thermal (heat)
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What type of energy is transferred around a circuit?
electrical
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Potential energy is referred to as ___________ energy.
stored
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What are the two main categories of energy?
kinetic and potential energy
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Oil and petrol have what type of energy?
chemical energy
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What is the name of the energy store when objects are up high?
gravitational (potential) energy
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When you burn coal, the chemical energy is transferred as what type of energy?
thermal(heat) + light
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The ability to make things move or to do work is ___
energy
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Any source of light has ........................... energy.
light
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Name 3 sources of renewable energy
wind, solar, wave, tidal, geothermal
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Sound is produced when an object _____.
vibrates
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What type of potential energy does a wrecking ball use?
gravitational
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Kinetic energy is defined as energy in ____________.
motion
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Explain the energy that the ball has in picture 1, and what will happen to that energy if the person lets go (picture 2).
The ball has potential energy, if the person lets go, the potential energy will become kinetic energy as the ball falls.
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