Earth's Water Systems

What pH level is best for marine organisms?

• 0

• 7.4

Tags

NGSS.MS-LS2-4

What kind of pollution could cause low pH in a lake?

• acid rain

• fertilizer runoff

A sheet of ice that moves slowly over land is a(n)

• glacier

• iceberg

• ice cap

• ice sheet

Tags

NGSS.MS-ESS2-4

Why do algae blooms happen?

• there are too many nutrients in the water

• there are too many fish in the water

• there is not enough turbidity in the water

• all of these options

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-1

The rain is pouring. It will not stop!

• Drought

• Erosion

• Flood

Tags

NGSS.MS-ESS3-2

What is Earth's major water storage, home to 97.5% of all water on Earth?

• rivers

• glaciers

• ocean

• lakes

Tags

NGSS.MS-ESS2-4

__________ is the study of water in the atmosphere, on Earth's surface, and underground.

• meteorology

• geology

• biology

• hydrology

Tags

NGSS.MS-ESS2-4

NGSS.MS-ESS2-1

The graphic shows that 97% of Earth's water is contained in a single reservoir. The remaining 3% is made up of many other reservoirs. What reservoir contains 97% of Earth's water?

• a freshwater lake

• a glacier

• groundwater

• the ocean

Tags

NGSS.MS-ESS2-4

What is the main source of groundwater?

• morning dew collecting on the surface of shrubs and grasses

• saltwater flowing into fault lines at the ocean floor

• precipitation seeping through pores and cracks in the ground

• precipitation falling into man-made wells

Tags

NGSS.MS-ESS3-1

The graphic shows that only 3% of the Earth's water is fresh water. The graphic also shows that of this 3%, almost all of it is contained in two reservoirs. What are the two reservoirs that contain almost all of Earth's fresh water?

• glaciers and groundwater

• streams and estuaries

• marshes and swamps

• lakes and rivers

Tags

NGSS.MS-ESS2-4