Hydrology Unit Test 2

What percentage of water on Earth is freshwater?

• 1%

• 3%

• 71%

• 97%

Tags

NGSS.MS-ESS2-4

NGSS.MS-ESS3-1

Which of the following lists of water sources is correctly ordered from largest amount of water found on Earth to smallest amount of water on Earth?

• Glacier and ice caps, groundwater, oceans

• Groundwater, oceans, glaciers and ice caps

• Oceans, glaciers and ice caps. groundwater

• Oceans, groundwater, glaciers and ice caps

Only 3% of the water on Earth is freshwater. About 2% of that water is not available for use by humans. Why is this?

• The water is frozen

• The water contains salt

• The water is polluted

• The water is in aquifers

Which of these will affect the height of an ocean wave?

• Salinity and density

• Sunlight and wavelength

• Water level and precipitation

• Wind speed and distance wind blows

What are the two main causes of ocean currents?

• Earth's rotation and waves

• Wind and changes in density

• Sunlight and water temperature

• Underwater earthquakes and salinity

Tags

NGSS.MS-ESS2-6

Which of the following contains MOST of the world’s fresh water supply?

• Glaciers

• Groundwater

• Oceans

• Rivers

Tags

NGSS.MS-ESS2-4

NGSS.MS-ESS3-1

How is salt added to the ocean?

• Rivers carry sediment to the ocean

• Sea creatures use salt for their seashells

• Evaporation

• Precipitation

What covers 70% of Earth’s surface?

• Ice

• Land

• Liquid water

• Molten rock

Tags

NGSS.MS-ESS2-4

How is salinity increased in the ocean?

• Evaporation or freezing of glaciers

• Melting of glaciers

Which step of the water cycle includes liquid water changing into water vapor?

• Condensation

• Evaporation

• Precipitation

• Runoff

Tags

NGSS.MS-ESS2-4