Approximately what percentage of Earth's water is fresh water?

• 97 percent

• 71 percent

• 30 percent

• 3 percent

Tags

NGSS.MS-ESS2-4

Water that falls to Earth as rain, snow, sleet, or hail is called (a)   .

• condensation

• evaporation

• precipitation

• transpiration

Tags

NGSS.MS-ESS2-4

Water that fills the cracks and spaces in underground soil and rock layers is called (a)   .

• saltwater

• rainwater

• groundwater

• water vapor

Tags

NGSS.MS-ESS2-4

Choose the answer that best completes each statement. 4. (a)   are the streams and small rivers that feed into a main river.

• watersheds

• tributaries

• divides

• wetlands

Choose the answer that best completes each statement. 5. Wetlands provide habitats for many living things because of their sheltered waters and ___.

• large supply of nutrients

• thick layer of mud

• lack of insects

• ability to prevent floods

Tags

NGSS.MS-LS2-1

An aquifer is a(an) (a)   .

• underground layer of rock or sediment that holds water

• well in which water rises because of pressure

• type of hot spring from which the water periodically erupts

• place where groundwater bubbles or flows out of cracks in the rock

Tags

NGSS.MS-ESS3-1

A well in which groundwater rises because of pressure is called a(an) (a)   .

• artesian well
• geyser well

• spring well
• dry well 

The three major steps of the water cycle are (a)   .

• evaporation, abrasion, and precipitation

• irrigation, precipitation, and conservation

• evaporation, condensation, and precipitation

• saturation, evaporation, and liquification

Tags

NGSS.MS-ESS2-4

Plants use water to undergo photosynthesis. They also release water into the atmosphere. Plants contribute to which part of the water cycle? (a)  

• irrigation

• evaporation

• condensation

• precipitation

Tags

NGSS.MS-ESS2-4

The horizontal distance between wave crests is the (a)   .

• frequency

• wavelength

• trough

• wave height