Earth's Water

The water cycle describes the movement of the water of Earth. About 97% of the water of Earth is the salt water found in the oceans while the remaining 3% is fresh water. Where would the majority of the fresh water on Earth be found?

• groundwater and aquifers

• swamps and wetlands

• ice caps and glaciers

• lakes and rivers

Tags

NGSS.MS-ESS2-4

The graph shows the distribution of the freshwater resources of Earth. Based on the date in this graph, which of these sources of fresh water corresponds to Source 1?

• atmospheric water

• surface water

• frozen water

• groundwater

Tags

NGSS.MS-ESS2-4

NGSS.MS-ESS3-1

Evaporation occurs because energy is transferred from which source?

• the sea

• the sun

• the trees

• the wind

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS2-4

The water cycle is important for recycling the water on Earth. Which of these is the source of most of the water vapor in Earth’s atmosphere?

• river flooding

• glacier melting

• ocean evaporation

• plant transpiration

Tags

NGSS.MS-ESS2-4

all the liquid water and solid water (ice) on a planet

• hydrosphere

• geosphere

• biosphere

• atmosphere

Tags

NGSS.MS-ESS2-4

About (a)   of Earth's water is salt water found in oceans.

About ​ (b)   of Earth's water is fresh water.

• 97%

• 3%

• 99%

• 1%

• 78%

• 21%

• 50%

• 10%

• 90%

Tags

NGSS.MS-ESS2-4

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

• 97 %

• 71%

• 30%

• 3%

Tags

NGSS.MS-ESS2-4

Saltwater makes up how much of the Earth's water supply?

• 97%

• 75%

• 25%

• 3%

Tags

NGSS.MS-ESS2-4

What percentage of the earth is water?

• 50%

• 60%

• 71%

• 80%

Tags

NGSS.MS-ESS2-4

The water in the western Pacific Ocean becomes warmer during the El Niño season (period of ocean warming). The water becomes warmer as a result of the relaxing of winds and a change in wind direction.

Which process in the water cycle is directly affected by the warming of the ocean water?

• collection

• evaporation

• precipitation

• runoff

Tags

NGSS.MS-ESS2-4