Water and Human Activity

How do glaciers contribute to watersheds?

• They provide water

• They take away water

• They pollute water

• They have no effect

Tags

NGSS.MS-ESS2-4

What are the effects of chemicals like gasoline, pesticides, and fertilizers on a river? Select two answers.

• A. Water becomes more toxic.

• B. Sediments are disturbed.

• C. Some organisms die.

• D. Water becomes more acidic.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

The dam shown in the image is holding back water and sediment from a river. What is the primary purpose of this dam?

• To generate electricity

• To prevent flooding

• To store water for irrigation

• To create a recreational area

What is one way that a dam can impact the environment?

• It increases the natural flow of the river.

• It can disrupt the migration of fish.

• It reduces water pollution.

• It enhances the growth of river plants.

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-5

What happens to sediments when a dam is built on a river?

• They are washed away.

• They accumulate behind the dam.

• They become more toxic.

• They disappear.

Which of the following is NOT an effect of chemicals entering a river?

• A. Water becomes more acidic.

• B. Fish populations increase.

• C. Some organisms die.

• D. Water becomes more toxic.

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-5

Which of the following is a direct effect of gasoline entering a river?

• A. Water becomes clearer

• B. Fish populations thrive

• C. Water becomes more toxic

• D. Plants grow faster

Tags

NGSS.MS-LS2-4

How does the composition of the river change downstream from the dam? Select two answers.

• A. Greater water flow

• B. Temperature increases

• C. Fewer nutrients

• D. More sediments

Tags

NGSS.MS-ESS2-2

NGSS.MS-LS2-4

The dead zone in the Gulf of Mexico is located off the coast of which states?

• Florida and Alabama

• Louisiana and Texas

• Mississippi and Alabama

• Georgia and Florida

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

NGSS.MS-LS2-4

What is the primary human activity contributing to the dead zone in the Gulf of Mexico?

• Fishing

• Tourism

• Agriculture

• Shipping

Tags

NGSS.MS-ESS3-4