PS3.A Quiz

What is the unit of energy in the International System of Units (SI)?

• Newton

• Joule

• Watt

• Pascal

Which of the following is an example of potential energy?

• A moving car

• A compressed spring

• A flowing river

• A spinning wheel

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• 3 J

• 6 J

• 9 J

• 12 J

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Which form of energy is stored in the bonds of chemical compounds?

• Thermal energy

• Chemical energy

• Nuclear energy

• Electrical energy

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Identify the type of energy transformation that occurs in a hydroelectric power plant.

• Chemical to electrical

• Mechanical to electrical

• Thermal to mechanical

• Nuclear to thermal

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What is the primary source of energy for the Earth?

• Wind

• The Sun

• Fossil fuels

• Geothermal heat

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Which of the following best describes energy conservation in a closed system?

• Energy is created and destroyed

• Energy is transformed from one form to another

• Energy is lost to the surroundings

• Energy remains constant

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What type of energy is associated with the motion of atoms and molecules?

• Kinetic energy

• Potential energy

• Thermal energy

• Chemical energy

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• 49 J

• 98 J

• 490 J

• 980 J

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Which of the following is an example of energy transformation in a battery-powered flashlight?

• Electrical to chemical

• Chemical to light

• Light to thermal

• Thermal to electrical