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How do forms of water change?. Lesson 2 Learning Goal: You will understand how water changes form and apply what you know about the water cycle. Forms Water Can Have. Cold weather can freeze water from a liquid to a solid. Warm temperatures in the spring and summer keep water in liquid form.

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how do forms of water change

How do forms of water change?

Lesson 2

Learning Goal: You will understand how water changes form and apply what you know about the water cycle.

forms water can have
Forms Water Can Have
  • Cold weather can freeze water from a liquid to a solid.
  • Warm temperatures in the spring and summer keep water in liquid form.
  • When water freezes it takes up more space.
evaporation
Evaporation
  • Water can also become a gas called water vapor.
    • Evaporation is the process of a liquid becoming a gas!
  • The Sun’s energy evaporates surface water.
  • That then becomes water vapor in the air.
  • You cannot see water vapor but you can sometimes feel it on a hot day .
condensation
Condensation
  • Water vapor in the air can turn back into a liquid!!
    • The process of water vapor changing to a liquid is condensation!
  • When the air cools, condensation turns invisible water vapor back into drops of water.
  • Small droplets form clouds and fog.
  • Large drops that form on plants are dew.
the water cycle
The Water Cycle
  • There is only a certain amount of water on Earth.
  • It must be used again and again.
  • The movement of water from Earth’s surface into the air and back again is the water cycle!
  • Water changes form or state as it moves through the water cycle.
precipitation
Precipitation
  • When water particles in clouds grow in size and weight, they fall faster!
  • Water that falls to Earth is called Precipitation!!
  • The form of precipitation depends on the temperature at Earth’s surface.