Science

All the water on Earth is recycled through ___________.

• the water cycle

• pockets of nitrogen

• exhaled gases

• dead plant matter

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NGSS.MS-ESS2-1

NGSS.MS-ESS2-4

TRUE OR FALSE: The hydrosphere covers 70% of Earth's surface.

• True

• False

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NGSS.MS-ESS2-4

About ________ of the world's water is salty ocean water.

• 12%

• 43%

• 47%

• 97%

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NGSS.MS-ESS2-4

Choose the answer that best explains one reason why conservation of freshwater is important.

• Freshwater should be conserved because it is limited to Earth's groundwater.

• Freshwater should be conserved because it can be found in large quantities on Earth.

• Freshwater should be conserved because it is limited to Earth's oceans.

• Freshwater should be conserved because it is the only water that can be consumed by humans.

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NGSS.MS-ESS3-4

Less than 1 percent of Earth's freshwater is readily available for human and animal use. Where is the majority of the remaining freshwater located?

• in ice caps and glaciers

• in the atmosphere

• in the oceans

• in lakes and rivers

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NGSS.MS-ESS2-4

Based on the graph, what can you conclude about the water on Earth?

• 97.4 percent of the water on Earth is saltwater

• 10 percent of the water on Earth is freshwater

• 55 percent of the water on Earth is saltwater

• 97.4 percent of the water on Earth is freshwater

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NGSS.MS-ESS2-4

How are glaciers and oceans similar?

• Both contain salt water and are difficult for humans to use.

• Both contain freshwater and are difficult for humans to use.

• Oceans contain salt water and glaciers contain fresh water, but both both are difficult for humans to use.

• Oceans contain salt water and glaciers contain fresh water, and both both are easy for humans to use.

Based on the table, what can you conclude about the percentage of ground ice and permafrost?

• The percentage of ground ice and permafrost is the same as groundwater.

• The percentage of ground ice and permafrost is greater than any other source.

• The percentage of ground ice and permafrost is less than any other source.

• The percentage of ground ice and permafrost is the same as lakes and rivers.

What is one thing you weren't asked about that you learned about water this week?

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS2-4