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Energy Review
| Question | Answer |
|---|---|
| Energy stored in the nucleus of an atom is called _______ energy. | Nuclear |
| A pole-vaulter first converts _______ energy into elastic energy. | kinetic |
| Energy is measured in units called ______. | Joules |
| Unlike kinetic energy, ______________ is stored. | Potential Energy |
| You would calculate and object's ________________ by adding kinetic and potential energies. (ME=PE+KE) | mechanical energy |
| Visible light is an example of ___________________. | electromagnet energy |
| Fossil fuels contain energy that originally came from the ___. | sun |
| The energy associated with the motion and position of an object is __________. | mechanical |
| The type of energy stored by fossil fuels, such as coal, is ________ potential energy. | chemical |
| The energy associated with motion is called _________. | mechanical |
| Moving water can be used to produce ____ because most forms of energy can be converted into other forms. | steam |
| When fossil fuels are burned, their ________ potential energy is converted into thermal energy. | chemical |
| The ability to do work is called ______. | energy |
| The scientist who suggested that energy can be created under certain conditions was ________. | Einstein |
| Potential energy that depends on height is called _______ potential energy. | elastic |
| List three examples of fossil fuels: A. ____________ B. ____ C.__________ | A. Oil/Petroleum B. Coal C. Natural Gas |
| A change from one form of energy into another is called and energy____________. | transformation |
| The type of conversation taking place when natural gas is used to heat water is chemical energy into _______ energy | thermal |
| The rate at which energy is transferred is called _____. | power |
| A rolling bowling ball has _______ energy. | kinetic |
| A spinning turbine has _______ energy. | kinetic |
| The potential and kinetic energy of the particles in an object is called _____. | matter |
| When you run your hands together on a cold day, you use friction to convert _______ energy into thermal energy. | kinetic |
| The _________________________ states that when one form of energy is converted into another, no energy is destroyed in the process. | Law of Conservation of Energy |
| Kinetic energy increases as both _______________ increases. | mass & velocity |
| A light bulb converts electrical energy into _______________ energy. | electromagnetic |
| An ice cube melts when its _______ energy increases. | thermal |
| When ____ is done on an object, the object gains energy. | work |
| A ball that is thrown into the air has its greatest potential energy as it reaches the ________ point in its path. | hightest |
| During combustion, a fuel's _______ energy is converted into thermal energy. | chemical |
| A compressed spring has _____________ potential energy. | gravitational |
| In a machine, work output is less than work input because some energy is converted into _______ energy. | thermal |
| Power is the rated at which ______ is transferred. | energy |
| As water runs over a waterfall, its potential energy is converted into _____________ energy. | gravitiational |
| In coal-fired power plants, coal is burned to produce _______, which is then used to turn a turbine. | kinetic |
| If the velocity of an object is doubled, its kinetic energy is multiplied by ____. | four |
| A large truck and a small car are moving at the same speed. The truck has greater kinetic energy because its ____ is greater. | mass |
| _______________ energy, such as ultraviolet radiation, travels in the form of rays. | Electromagnetic |
| Work is the transfer of _____ from one object to another. | energy |
| As a pendulum swings, energy is continuously transformed between ______ energy and potential energy. | kinetic |
| To maintain your body temperature, your body converts _______ potential energy into thermal energy. | chemical |
| Fossil fuels contain ________ energy, stored millions of years ago. | chemical |
| The form of energy carried by moving electrical charges is _________ energy. | electrical |
| In nuclear reactions, huge amounts of energy are produced by destroying tiny amounts of ___________. | electrical |
| In power plants, generators convert _________________ energy into electrical energy. | chemical potential |
| The Law of Conservation of Energy states that energy cannot be ___________________. | created nor destroyed |
| A basketball thrown up in the air gains __________ energy when it is falling down. | mechanical |
| Potential energy is converted to _______ energy. | kinetic |
| The velocity of the ball increases as it falls and that's when it has its greatest __________ energy. | mechanical |
| Describe two energy conversions that take place when you warm a cup of cocoa in a microwave oven. A. _____________ B. _____________ | A. Thermal Energy B. Kinetic Energy |
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