Hydrology Test Review

Which stage does ground water try to return to the ocean or soak into the ground?

• condensation
• evaporation
• precipitation
• run off

The supply of freshwater under the Earth's surface.

• watershed
• mouth
• headwaters
• groundwater

Most of the Earth's water is in

• salty oceans
• freshwater lakes
• freshwater ponds
• glaciers

Where is most of the freshwater found on Earth?

• lakes
• glaciers
• oceans
• rivers

Which represents the distribution of water on Earth?

• 3% freshwater, 97% salt water
• 97% freshwater, 3% salt water
• 71% freshwater, 29% salt water
• 29% freshwater, 71% salt water

The water cycle is powered by the 

• sun
• wind
• air 
• biomass

When oil, antifreeze, pesticides are poured on the ground, they are harmful because they  _______ the groundwater. 

• freeze
• help
• pollute
• clean

Wastes produced by agriculture, households, industry, mining, and other human activities can end up in ______________.

• groundwater
• streams and rivers
• oceans
• All of these choices

The total amount of water on Earth does not change

• True
• Fals

Pollution that can be identified from a specific location is called

• Point Source
• Non-point Source