Hydro Review

What percentage of Earth's water is found in the oceans?

• 97%
• 100%
• 70%
• 50%

How does the Sun cause water to move from the oceans to the atmosphere?

• evaporation
• precipitation
• infiltration
• transpiration

In what ways can runoff be a problem?

• It can cause flooding and erosion
• It can raise gloabl sea level
• It can create too much cloud cover

How much of the Earth's surface is covered in water?

• 50%

• 60%

• 70%

• 80%

An estuary is an area where...

• there is only salt water

• fresh water and salt water mix

• pond water and river water mix

• there is only fresh water

What percentage of Earth's water is salt water?

• 79%

• 97%

• 27%

• 3%

Which is the primary source of fresh water in the hydrosphere?

• lakes

• glaciers and ice caps

Which best describes the characteristics of a river basin?

• the land drained by a river and its tributaries

• the land formed when rivers create estuaries and marshes

• the land at the mouth of a river where water flows into the ocean

• the land formed as a result of a river flooding

Which describes the hydrosphere?

• all of Earth’s organisms and the environments in which they live
• a layer of Earth’s atmosphere made up primarily of concentrated ozone
• all of the water in Earth’s oceans, lakes, seas, rivers, and glaciers, plus the water in the atmosphere

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS2-4

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 freshwater on Earth be found?

• groundwater and aquifers
• swamps and wetlands
• ice caps and glaciers
• lakes and rivers

Tags

NGSS.MS-ESS2-4