H2O Response Team Review

How much of Earth's water is found in oceans?

• 100%

• 3%

• 97%

________ is the introduction of harmful substances or products into the environment.

• Pollution

• Conservation

• Desalination

Tags

NGSS.MS-ESS3-3

True or False?

A rain shadow is formed when mountains stop rain from reaching the valley next to them.

• True

• False

Tags

NGSS.MS-ESS2-5

The pollution in the picture shows an interaction between the _______ and ________.

• atmosphere

• biosphere

• geosphere

• hydrosphere

Answer explanation

Humans (biosphere) are polluting Earth's water (hydrosphere).

Tags

NGSS.MS-ESS2-4

NGSS.MS-LS2-4

There are 4 main systems on Earth. Which is NOT one of the systems?

• atmosphere

• biosphere

• photosphere

• geosphere

• hydrosphere

The atmosphere, biosphere, geosphere, and hydrosphere are components of:

• The Earth's system

• The solar system

• The galaxy

• The universe

Tags

NGSS.MS-ESS2-4

NGSS.MS-ESS2-5

How much of all water on Earth is freshwater?

• 100%

• 3%

• 97%

Tags

NGSS.MS-ESS2-4

Click on the picture to look at the graph.

True or False? According to the graph, all the freshwater available (3%) is easily accessible/available?

• True

• False

Answer explanation

Only the 0.3% of freshwater found in lakes and river storage (less than 1% of the limited amount of freshwater) is easily accessible / available!

30% of the freshwater is underground and almost 70% of the freshwater is frozen!

Tags

NGSS.MS-ESS2-4

Click on the picture to look at the graph.

How much water on Earth is available for plants and animals to use?

• Less than 1%

• 3%

• 29%

• 70%

Answer explanation

97% of Earth's water is the oceans' salty water. Only 3% is freshwater.

But 29% of this freshwater is underground and almost 70% of this freshwater is frozen! This leaves less than 1% of freshwater (found in lakes and rivers) to be available for plants and animals.

Tags

NGSS.MS-ESS2-4

NGSS.MS-ESS3-1

NGSS.MS-LS2-1

Click on the picture to look at the graph.

Where is most of Earth's water?

• Oceans (Makes up the 97% of saltwater)

• Underground (Part of 3% of freshwater)

• Lakes and rivers (Part of 3% of freshwater)

• Frozen (Part of 3% of freshwater)

Answer explanation

97% of Earth's water is the oceans' salty water. Only 3% is freshwater.

Tags

NGSS.MS-ESS2-4