1
What is the source of energy for the water cycle?
The Sun
Which two steps (in order) form clouds from liquid water?
Evaporation; Condensation
Which falls, warm air or cold air?
Cold air
Water changing from a liquid to a gas is called…
Evaporation
What are two examples of precipitation?
Snow, Rain, Sleet, Hail, etc.
Name at least two things a weather balloon can collect data on.
Temperature, humidity, atmospheric pressure
Water changing from a gas to a liquid is called…
Condensation
Does the water cycle have a beginning or end?
No
What percentage of water on Earth is saltwater?
97%
When a candle burns, how does wax change from a solid to a liquid?
Melting (because of heat from the flame)
The amount of water vapor in the air affects…
Humidity
What percentage of water on Earth is freshwater?
3%
If you added an ice cube to liquid candle wax, what would happen to the wax?
It would turn into a solid.
Which is less dense, warm air or cold air?
Warm air
What is transpiration?
When plants give off water vapor into the atmosphere.