ES09 BELL RINGERS

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

• 97 percent

• 71 percent

• 30 percent

• 3 percent

Water that falls to Earth as rain, snow, sleet, or hail is called _____.

• condensation

• evaporation

• precipitation

• transpiration

Water that fills the cracks and spaces in underground soil and rock layers is called _____.

• salt water

• rainwater

• groundwater

• water vapor

_____ are the streams and small rivers that feed into a main river.

• watersheds

• tributaries

• divides

• wetlands

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

An aquifer is a(an) _____.

• 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

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

• artesian well

• geyser well

• spring well

• dry well

The three major steps of the water cycle are _____.

• evaporation, abrasion, and precipitation

• irrigation, precipitation, and conservation

• evaporation, condensation, and precipitation

• saturation, evaporation, and liquification

Plants use water to undergo photosynthesis. They also release water into the atmosphere.

Plants contribute to which part of the water cycle?

• precipitation

• irrigation

• evaporation

• condensation

The horizontal distance between wave crests is the _____.

• frequency

• wavelength

• trough

• wave height