UNIT 6 ENERGY (A+)

Which of the following best describes energy?

• The ability to do work

• The mass of an object

• The volume of an object

• The density of an object

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What is the SI unit for energy?

• Newton

• Joule

• Watt

• Kilogram

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Which form of energy is associated with the motion of an object?

• Potential energy

• Thermal energy

• Kinetic energy

• Chemical energy

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What type of energy is stored in the chemical bonds of molecules?

• Mechanical energy

• Nuclear energy

• Potential energy

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What is the primary source of energy for the Earth?

• Geothermal energy

• Nuclear energy

• Fossil fuels

• Solar energy

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Which of the following is a renewable source of energy?

• Coal

• Natural gas

• Wind

• Petroleum

What is the process by which energy is transferred from one object to another due to a difference in temperature?

• Conduction

• Convection

• Radiation

• Insulation

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Which of the following is an example of potential energy?

• A moving car

• A stretched rubber band

• A falling leaf

• A rolling ball

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What is the conservation of energy?

• Energy cannot be created or destroyed, only transferred or transformed

• Energy can be created but not destroyed

• Energy can be destroyed but not created

• Energy cannot be created, destroyed, transferred, or transformed

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Which of the following is an example of mechanical energy?

• Light from a flashlight

• Heat from a stove

• Sound from a speaker

• Motion of a bicycle

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