Which of the following would be a way that humans could protect trees?

• Plant new trees and replace trees cut down.

• Prohibit access to all forests.

• Increase plastic use.

• Deforest to create more open space.

Tags

NGSS.MS-LS2-5

What is the purpose of filtering wastewater?

• to determine if it can be reused

• to certify it as an unused water source

• to remove particles so it can be reused

• to add fluoride

How does an oil spill impact water resources where it occurred? Select two correct answers.

• Oil is a thick liquid.

• Oil is difficult to remove from water.

• Oil kills plankton, fish, birds, and other sea life.

• Oil is used to cook some foods.

Tags

NGSS.MS-ESS3-4

NGSS.MS-LS2-4

Imagine you are a researcher studying the effects of chemicals on the growth of frogs in freshwater. Which resources would you consider to be a reliable source of information? Select two correct answers.

• Journal of Freshwater Ecology

• Chemical Industry Magazine

• American Institute of Chemical Research

• Everybody Loves Frogs

• Journal of Saltwater Zoology

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-4

Which is an example of a positive relationship between human activity and nonliving resources in a land ecosystem?

• replanting forests

• destroying animal habitats

• limiting use of fossil fuels for transport

• using excessive fertilizers

Deforestation causes trees to be removed, a loss of soil, and the loss of habitat for wildlife without harming the ecosystem. Is the statement true or false?

• True

• False

Tags

NGSS.MS-ESS3-4

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Which is one example of how people have used scientific ideas and technology to protect Earth’s ecosystems?

• Scientists use satellite images to monitor deforestation and replanting.

• Scientists use infrared technology to help miners figure out where to mine.

• Scientists have improved the technology needed to accurately hunt animals.

• Scientists supported the use of fertilizers that contain high levels of phosphorus.

Tags

NGSS.MS-ESS3-3

NGSS.MS-LS2-5

Which is one example of how people have used scientific ideas and technology to protect water resources?

• A water treatment plant filters and disinfects water so the water is safe for people and the environment.

• Logging companies cut down trees so the material can be used to build houses and other buildings.

• Wastewater travels to our homes via pipes so it can be used.

• Farming practices have increased the use of phosphate-containing fertilizers to increase crop yield.

Tags

NGSS.MS-ESS3-3

NGSS.MS-ETS1-2