Unit 4 Vocabulary

3% of the water on Earth is found in lakes, river, swamps, in soil, underground, and glaciers.

• freshwater

• saltwater

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97% of water on Earth found in oceans.

• freshwater

• saltwater

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the amount of salt dissolved in water

• freshwater

• saltwater

• salinity

the continuous process that describes how water moves through the environment

• evaporation

• water cycle

• salinity

• glaciers

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process where water from oceans, lakes, and rivers turns into vapor (gas) and rises into the atmosphere

• evaporation

• condensation

• precipitation

• transpiration

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when water vapor cools and changes back into water droplets (creating clouds)

• evaporation

• condensation

• precipitation

• transpiration

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when water droplets gather and fall back to Earth in the form of rain, snow, sleet, or hail

• evaporation

• condensation

• precipitation

• transpiration

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water that flows over the ground and eventually ends up in lakes or oceans

• runoff

• infiltration

• percolation

• aquifers

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when water moves through soil and rock layers, replenishing the groundwater supplies

• runoff

• infiltration

• percolation

• aquifers

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water that is stored underground in aquifers

• freshwater

• saltwater

• groundwater

• glacier water

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