Energy Quiz

Which of these examples involves energy transferred by objects in motion? Choose two answers.

• Pushing as hard as you can against a huge boulder

• Pushing a bowling ball and knocking down bowling pins

• Warming your hands by holding them near a light bulb

• Swinging your leg and kicking a soccer ball

• Holding a rubber band in a stretched position

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Why do boats floating on the water move up and down when a wave moves across the water surface? Choose two answers.

• Waves transfer energy in water.

• Water transfers energy in air.

• Wood transfers energy in water.

• Energy is transferred from the water waves to the boat.

• Energy goes up and down when a wave transfers water across the surface. The boat transfers energy to the water.

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Which best describes how a plant gets energy to grow?

• The plant gets energy from the wind.

• The plant gets energy from the water.

• The plant gets energy from the sunlight.

• The plant gets energy from the air.

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Look at this image. Why is this person holding his hands toward the fire?

• To heat them using mechanical energy

• To heat them using thermal energy

• To heat them using sound energy

• To heat them using electrical energy

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Which of the following would be the best conductor of thermal energy?

• Metal cup

• Wooden cup

• Plastic cup

• Ceramic cup

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Look at this image of a pot of hot soup. Which spoon should you stir the soup with to avoid getting burned?

• The plastic spoon, because it is a good insulator of electrical energy

• The plastic spoon, because it is a poor insulator of thermal energy

• The wooden spoon, because it is a poor insulator of electrical energy

• The wooden spoon, because it is a good insulator of thermal energy

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Tiana is plugging her phone charger into a wall outlet. Which part of the plug should be in physical contact with the phone as she plugs it in?

• The metal part, because it is a good conductor of electrical energy

• The metal part, because it is a good insulator of thermal energy

• The plastic part, because it is a poor conductor of electrical energy

• The plastic part, because it is a poor insulator of thermal energy

Which circuit will allow the energy stored in the battery to become light energy?

• Circuit A will allow the energy stored in the battery to travel through an open path to become light energy.

• Circuit A will allow the energy stored in the battery to travel through a closed path to become light energy.

• Circuit B will allow the energy stored in the battery to travel through an open path to become light energy.

• Circuit B will allow the energy stored in the battery to travel through a closed path to become light energy.

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When you switch on a flashlight, it lights up. What makes this happen?

• Thermal energy from the battery changes to electrical energy, which changes to light energy.

• Mechanical energy from the battery changes to electrical energy, which changes to light energy.

• Sound energy from the battery changes to electrical energy, which changes to light energy.

• Chemical energy from the battery changes to electrical energy, which changes to light energy.

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Which of the following is an example of a functioning electrical circuit?

• One wire connecting the top of a battery to the end of a light bulb

• One wire connecting the top of a battery to both ends of a motor

• Two wires connecting the top of a battery to the end of a light bulb

• Two wires connecting both ends of a battery to both ends of a motor