Unit 8 Earth's Resources Test Review

Abigail and James are working on a school project about energy resources. They need to identify which of the following is a renewable resource. Can you help them?

• Coal

• Oil

• Wind

• Natural Gas

Kai is installing solar panels on his house. These panels convert sunlight into _______.

• Electricity

• Heat

• Sound

• Light

Which of these is an environmental benefit of converting to solar energy?

• a decrease in air pollution

• an increase in the cost of energy

• an increase in the use of fossil fuels

• a decrease in electrical energy production

Anika and Emma are studying a table that shows some cases in which particular pollutants have decreased

over time in the United States. The data are given in millions of tons per year.

Which reason BEST accounts for these changes during the time period?

• A. The population of the United States changed.

• B. The consumption of resources in the United States decreased.

• C. Laws and policies were enacted that limited the output of certain pollutants.

• D. Corporations and citizens voluntarily reduced the output of certain pollutants.

Liam and Lily are working on a school project about sustainable energy. They need to choose energy sources that are the LEAST harmful to human and environmental health. Which energy sources should they choose?

• coal and solar

• natural gas and wind

• solar and wind

• wind and coal

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In the city of Greenfield, the local government has implemented regulations to control the amount of pollution that is allowed to come from cars. How does this MOST likely help the residents of Greenfield?

• The air stays cleaner.

• Cars can travel at faster speeds.

• The skills of the drivers improve.

• It becomes safer to drive on the roads.

Ava and Aiden are working on a school project about environmental conservation. What is a way they can suggest to improve air quality?

• driving large cars

• building more factories

• burning wood in the fireplace

• using solar energy to produce electricity

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Evelyn and Ethan are engineers developing new cars that use fuel sources other than gas. These cars

cost less to use. They also make fewer waste products than gas-powered cars.

If more people start driving these new cars, what will be the MOST likely result?

• more brands of cars

• less road construction

• more public transportation

• lower levels of air pollution

Many coastal areas that are dependent on fishing for their local economies have struggled recently because of overfishing. Scientists have been working with these communities to reestablish the fish populations. Which of the following would not be a recommendation of the scientists to help the local communities?

• Create an artificial reef so the fish will have a habitat

• Fishing limits to limit the amount of fish caught

• Introduce non-native fish to the environment

• Fisheries to release fish into the environment

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Select the two ideas that would BEST target the right groups to effectively address the problem of contamination by coliform bacteria.

• Idea A

• Idea B

• Idea C

• Idea D