Water Cycle (a)
What is the first step in the water cycle?
Evaporation
What is the second step in the water cycle?
Condensation
What is the third step in the water cycle?
Precipitation
What is the fourth step in the water cycle?
Collection
What normally heats the water outside to start the water cycle?
The sun
What is the gas that is made during evaporation?
Water vapor
Name three things that are needed to make a cloud.
Water vapor, gasses, and dust.
Name three examples of precipitation.
Rain, snow, hail.
True or False: You can see water vapor.
False
What percentage of the earth is salt water?
97%
Name the largest ocean.
Pacific
What does water vapor condense down to in the sky?
Water droplets
Name three examples of what needs water.
Plants, animals, people
Name four examples of collection.
Oceans, lakes, rivers, groundwater.
What percentage of water if fresh water?
3%
What is a cycle?
A set of steps that repeats over and over
What percentage of the human brain is water?
75%
Where does most of the water that evaporates on Earth come from?
Oceans
What place gets the least amount of precipitation?
Desert
What percentage of a living tree is water?
75%
What is it called when plants sweat?
Transpiration
True or False: As water goes through the water cycle, the amount of water on Earth stays the same.
True
How many weeks can we go without water?
One week
On average, how many gallons a day does a home use?
50 gallons
What is it called when a solid turns into a gas?
Sublimation