Water from rain or snow that moves into rivers or the ground is called:
runoff
Most of the Earth’s freshwater is in (name all 3):
in the ice of glaciers and ice caps or beneath the planet’s surface as groundwater. A very small portion is found in clouds.
Brackish water is
A mixture of saltwater and freshwater
What are 3 ways that lakes form?
Glaciers cause depressions. People dam rivers. Landslides block a river.
Name 4 ways rivers and lakes are used.
Wildlife habitats; Source of water for communities, agriculture, industry; Ship goods from one place to another; dams create energy
A coastal body of water where freshwater from a river mixes with saltwater from the ocean is called ...
estuary
Water that is not salty, found in lakes and streams is called ___ .
Freshwater
What types of environments are found in the ocean?
Open ocean and coastal habitats
______ is a compound made of hydrogen and oxygen.
water
97.5% of the Earth’s water is covered in what type of water?
salt water
Describe one way that water and land affect each other.
Glaciers carve out rock & form lakes. Heavy rains can cause landslides. Rivers erode the land. Ocean waves carry away sand. Groundwater creates tunnels & caves
Water stored below Earth’s surface in soil and rock layers is called ___ .
groundwater
Ocean water and freshwater bring lots of nutrients into an estuary which causes:
Productive ecosystems, lots of animals, and rapidly growing plants
A ___ is a big body of water flowing through an area with land on either side.
river
A body of water surrounded by land that is often fresh but sometimes salty is called...
lake
What do we call something that has to do with the ocean?
marine
Where do estuaries form?
where rivers empty into a sea or ocean
Natural, non-living solid crystal that makes up rocks are called ___ .
minerals
Explain the difference between surface water and the deep sea in an Open Ocean Habitat.
surface water- receives sunlight, has phytoplankton, is very productive.
deep sea - very dark, organisms make energy from chemicals, geothermal vents
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