Unit 14: Energy Review

Which of these technologies is a source of renewable energy?

• Generator

• Nuclear power plant

• Solar cell

• Fuel cell

A student is investigating how water changes states. He observes a pot of water boiling on the stove. What type of energy is used to make the water boil?

• Light

• Potential

• Sound

• Thermal

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Fossil fuels are nonrenewable because they —

• have turned into solid rock.

• take a long period of time to form.

• are expensive to remove from rock.

• are located deep within Earth’s crust.

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Which one of these uses nonrenewable energy?

• A dam on a river

• A windmill on a farm

• A power plant that burns coal

• A power plant that burns dried grasses

Energy cannot be —

• created or destroyed.

• transferred or changed.

• transformed or created.

• destroyed or changed.

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Which of the following are ways humans use resources that negatively impact the environment? Choose 3 correct answers.

• Depleting nonrenewable resources

• Wildlife and habitat loss

• Recycling materials

• Air and water pollution

• Planting trees to stop erosion

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Which of the following is an advancement in technology that improves our ability to harness and use energy more efficiently?

• Burning coal

• Clearing land

• Solar panels

• Smart phones

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Where does most of the energy come from in the United States?

• Force and Motion

• Gravity

• Non-renewable energy

• Renewable energy

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Which of the following is an example showing work being done?

• Pushing against a wall but the wall doesn't move.

• Holding a heavy backpack while standing still.

• Pulling a wagon across the yard.

• Sitting at a desk and reading a book.

Which of the following best demonstrates how energy can be moved from place to place?

• Planting seeds in a garden

• Playing music on a stereo

• Watching a sunset

• Taking a nap

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