QZ: ESS.8.2.1 Study Guide

Front

Where is the majority of freshwater in the hydrosphere located?

Back

The majority of freshwater in the hydrosphere is located in glaciers and ice caps.

Front

Approximately what percent of the Earth is covered by water?

Back

Approximately 70% of the Earth is covered by water.

Front

What is the primary source of water used for drinking and cooking?

Back

The majority of the water used for life processes comes from rivers and oceans.

Front

How much of Earth’s water is available for organisms' life processes?

Back

Less than 1% of Earth’s water is available for organisms' life processes.

Front

What is a river basin?

Back

A river basin is an area where water flows over and under land towards larger rivers.

Front

What are glaciers?

Back

Glaciers are large masses of ice that form from compacted snow and are a major source of freshwater.

Front

What is groundwater?

Back

Groundwater is water that is stored underground in aquifers and is a significant source of freshwater.

Front

What is the hydrosphere?

Back

The hydrosphere is the combined mass of water found on, under, and above the surface of a planet.

Front

What percentage of Earth's water is saltwater?

Back

About 97% of Earth's water is saltwater, primarily found in oceans.

Front

What is the water cycle?

Back

The water cycle is the continuous movement of water on, above, and below the surface of the Earth.