Water Resources

From greatest to least, rank the primary uses of fresh water around the world.

• personal, industry, agriculture
• industry, agriculture, personal
• agriculture, industry, personal
• industry, personal, agriculture

In the United States, most of the fresh water we use—about 74 percent of it—comes from

• surface water sources.
• aquatic supplies.
• aquifers.
• the ocean.

Tags

NGSS.MS-ESS2-4

Groundwater is primarily used for

• industrial uses.
• irrigation.
• personal uses.
• drinking water.

Human activities that clear large areas of land and increase erosion contribute directly to what type of pollution?

• biological
• groundwater
• sediment
• toxic chemical

Tags

NGSS.MS-ESS3-3

NGSS.MS-ESS3-4

Which of the following was not part of the Clean Water Act?

• set standards for pollution levels
• funded construction of sewage treatment plants
• limited the release of point-source pollution
• regulated the amount of fertilizers and pesticides that are contained in runoff

Tags

NGSS.MS-ESS3-3

As a natural resource, freshwater is

• renewable.
• nonrenewable.
• unlimited.
• unusable.

Tags

NGSS.MS-ESS2-4

All of the land area that supplies water to a particular river system is included in a(n)

• aquifer.
• water table.
• watershed.
• recharge zone.

To help regulate river flow and to build a stable supply of water, engineers build

• aquifers.
• water tables.
• dams.
• wells.

Tags

NGSS.MS-ETS1-1

NGSS.MS-ETS1-2

What type of system targets individual plants and introduces water directly into the soil?

• desalination
• reverse osmosis
• waterlogging
• drip irrigation

Which of the following is an example of nonpoint-source pollution?

• a boat leaking motor oil
• a pipe releasing hot water
• rain washing salt off the roads
• a container leaking chemicals