The Hydrosphere

What percentage of Earth's surface is covered by water?

• 50%

• 60%

• 70%

• 80%

What is the hydrosphere?

• The layer of gases surrounding Earth

• The total amount of water on a planet

• The solid outer layer of Earth

• The Earth's magnetic field

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS2-4

Why is water important for Earth's processes?

• It provides light

• It shapes Earth's surfaces through weathering and erosion

• It creates mountains

• It stops erosion

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-4

What are the two types of water systems on Earth?

• Saltwater and freshwater

• Rainwater and groundwater

• Ocean water and river water

• Ice water and steam

Tags

NGSS.MS-ESS2-4

Where is most of Earth's saltwater found?

• Rivers

• Lakes

• Oceans and seas

• Glaciers

Tags

NGSS.5-ESS2-2

What is the main component of salt in saltwater?

• Potassium chloride

• Calcium carbonate

• Sodium chloride

• Magnesium sulfate

In which state of matter is most of Earth's water found?

• Solid

• Liquid

• Gas

• Plasma

Tags

NGSS.MS-PS1-4

What is water vapor?

• Solid ice

• Liquid water

• Invisible gas in the atmosphere

• Saltwater

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS2-4

What percentage of Earth's water is fresh water (Drinking Water)?

• 97%

• 3%

• 90%

• 13%

Tags

NGSS.MS-ESS2-4

What percentage of Earth's water is Salt water?

• 97%

• 3%

• 90%

• 13%