8 P 2 1

Which is the best example of a nonrenewable energy resource?

• coal

• ethanol

• oxygen

Which source of electricity would harm the environment the least?

• solar power

• diesel generator

• hydroelectric dams

• power lines

Which best explains why fossil fuels should be conserved?

• They are inexpensive.

• They are in limited supply.

• They are dangerous to handle.

• They do not cause pollution when used.

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NGSS.MS-ESS3-1

Fossil fuels are made up of organisms that died millions of years ago. Which best describes this source of energy?

• Fossil fuels are nonrenewable sources of energy.

• Fossil fuels are renewable sources of energy.

• Fossil fuels are nuclear sources of energy.

Which is an example of conservation (saving) of energy resources?

• Niagara Falls, straddling both countries, produces electricity for Canada and the U.S.

• Windmills in the Netherlands have been capturing wind power for more than 2,000 years.

• In the U.S., households are replacing their incandescent light bulbs (old looking ones) with compact fluorescent light bulbs(spiral ones).

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NGSS.MS-PS3-3

Which of these technologies helps a power company use renewable energy for the production of electricity?

• hydroelectric power

• nuclear power plants

• natural gas generators

• coal-fired power plants

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NGSS.MS-ETS1-2

Which action represents an environmental consequence of burning coal to produce energy?

• Burning coal increases carbon dioxide in the atmosphere.

• Burning coal increases the amount of harmful radioactive waste in need of safe storage.

• Burning coal increases temperatures in nearby bodies of water.

• Burning coal increases the amounts of oil released into ocean ecosystems.

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NGSS.MS-ESS3-5

The photograph shows a solar energy farm near Seville, Spain. The mirrors reflect incoming sunlight toward the solar tower in the center, where the energy from the sun is turned into electricity. Why are mirrors used to reflect the sunlight?

• to diffuse the incoming solar radiation

• to concentrate the energy from solar rays

• to drive the process of nuclear fission

• to create heat for burning coal

Tags

NGSS.MS-PS3-3

The data table below shows the concentration of carbon dioxide in the Earth's atmosphere for a period of 250 years. Use the chart to answer the question. Which scientific theory does the data support?

• ozone depletion

• continental drift

• extinction of species

• global warming

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NGSS.MS-ESS3-5

The data table below shows the concentration of carbon dioxide in the Earth's atmosphere for a period of 250 years. Use the chart to answer the question. Which is most likely the cause of this increase in atmospheric carbon dioxide?

• increased use of fossil fuels

• increased volcanic activity

• increased use of nuclear power

• increased glaciation

Tags

NGSS.MS-ESS3-4