Earth’s Resources

Some paper mills use machines that make paper without any wood called “wood-free” paper. These machines make paper from materials such as cotton and rice waste. Which problem does using wood-free paper affect MOST?

• increased use of fossil fuels

• decrease in water supply

• loss of animal habitats

• pollution of air

Tags

NGSS.MS-ESS3-3

Which object used in an experiment can safely be recycled?

• an aluminum can

• a wet paper towel

• salt spilled onto a tabletop

• a broken graduated cylinder

Automobile engines built today are designed to be gas efficient. Gas-efficient engines MOST likely affect a city by reducing

• air pollution.

• heat pollution.

• noise pollution.

• light pollution.

As the amount of carbon dioxide in the atmosphere increases, which occurrence is MOST likely a long-term result?

• The polar ice caps will melt.

• Volcanoes will erupt more often.

• The number of earthquakes will decrease.

• Rainforests will be unable to support animal life.

Tags

NGSS.MS-ESS2-4

NGSS.MS-ESS2-6

In what way do transit systems, such as buses, benefit society?

• by reducing the amount of pollution

• by increasing the number of car sales

• by increasing the amount of carbon dioxide in the air

• by eliminating the possibility of accidents

Tags

NGSS.MS-ESS3-4

Scientists are discovering ways to make some crops use less water. A person working in which job would MOST benefit from this research?

• a farmer

• a doctor

• a waiter

• a cook

Tags

NGSS.MS-ESS3-4

NGSS.MS-LS2-5

When people throw away trash, it is taken to landfills in garbage trucks. Landfills take up space that could be used for something else. Using technology can reduce the amount of trash that ends up in landfills. Which method can help reduce the amount of trash in landfills?

• recycling plastic and paper waste products

• adding liners to keep landfills from leaking

• using solar panels for electric lighting at the landfill

• using fuel made from sugar cane to power garbage trucks

Tags

NGSS.MS-ESS3-3

Recycling paper reduces the number of trees cut down for paper production. How does this reduction MOST likely benefit the environment?

• eliminates air pollution

• saves nonrenewable energy

• reduces the amount of oxygen in the air

• keeps the habitats of animals from being destroyed

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-5

Which activity would help protect the natural habitats of animals?

• building an apartment complex

• allowing fishing in more rivers

• creating a zoo for endangered species

• limiting construction in wooded areas

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-5

It is important to use recycled paper because it

• comes in colors.

• has a smoother appearance.

• creates less pollution.

• reduces the number of trees cut down.