Take Home Quiz 2- Energy Name:___________ Class: ________ 1.Mechanical energy in an object can be obtained from 5. According to the Law of Conservation of energy another energy source. The mechanical energy in a clock energy is being constantly created is commonly obtained from energy is being constantly destroyed Electrical energy energy is never created or destroyed Sound energy matter is being constantly created Light energy Heat energy 6. A generator changes mechanical energy into electrical energy. This is an example of 2. An example of chemical energy changing into The creation of energy mechanical energy is Undesirable energy A ceiling fan The destruction of energy A boat on a river An energy transformation A battery-operated toy A burning log 7. Which item changes electrical energy into mechanical energy? 3. A claw hammer has a forked end that is used for Toaster removing nails. When you use a claw hammer to pry a Lamp nail out of a piece of wood, the mechanical energy that Vacuum cleaner goes into the process is Coffee Pot The nail coming out of the wood The nail 8. Muscles perform what type of energy transformation? The hammer Kinetic to potential The motion of the hammer Kinetic to electrical Thermal to kinetic 4. Which energy transformation is best shown in this Chemical to kinetic diagram? 9. Almost all of the energy that is used on the Earth’s heat to mechanical surface comes from which of the following energy sources? mechanical to light Radioactivity sound to heat The Sun heat to sound Chemicals Winds 10. The kinetic energy of a moving object increased if which of the following occurs? 11. A softball player hits a fly ball. Which of the Its mass decreased following describes the energy conversion that occurs as it Its speed increases falls from its highest points? Its height above the ground decreased Kinetic to potential Its temperature increases Potential to kinetic Thermal to potential Thermal to kinetic The illustration below shows an example of energy changing forms. 12. Which changes in energy form are illustrated in the diagram? (PS4.5a)
Take Home Quiz 2- Energy Name:___________ Class: ________ 1.Mechanical energy in an object can be obtained from another energy source. The mechanical energy in a clock is commonly obtained from Electrical energy Sound energy Light energy Heat energy 2. An example of chemical energy changing into mechanical energy is A ceiling fan A boat on a river A battery-operated toy A burning log 3. A claw hammer has a forked end that is used for removing nails. When you use a claw hammer to pry a nail out of a piece of wood, the mechanical energy that goes into the process is The nail coming out of the wood The nail The hammer The motion of the hammer 4. Which energy transformation is best shown in this diagram? heat to mechanical mechanical to light sound to heat heat to sound 11. A softball player hits a fly ball. Which of the following describes the energy conversion that occurs as it falls from its highest points? Kinetic to potential Potential to kinetic Thermal to potential Thermal to kinetic The illustration below shows an example of energy changing forms. 12. Which changes in energy form are illustrated in the diagram? (PS4.5a) 5. According to the Law of Conservation of energy energy is being constantly created energy is being constantly destroyed energy is never created or destroyed matter is being constantly created 6. A generator changes mechanical energy into electrical energy. This is an example of The creation of energy Undesirable energy The destruction of energy An energy transformation 7. Which item changes electrical energy into mechanical energy? Toaster Lamp Vacuum cleaner Coffee Pot 8. Muscles perform what type of energy transformation? Kinetic to potential Kinetic to electrical Thermal to kinetic Chemical to kinetic 9. Almost all of the energy that is used on the Earth’s surface comes from which of the following energy sources? Radioactivity The Sun Chemicals Winds 10. The kinetic energy of a moving object increased if which of the following occurs? Its mass decreased Its speed increases Its height above the ground decreased Its temperature increases
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