In which layer of the atmosphere does weather occur?
troposphere
100
What are the 3 states of water?
Solid, liquid, and gas.
100
What is the percentage of salt water on Earth?
97%
100
-In which step of the water cycle does water return to earth surface?
-So far so good?
-Precipitation.
-Answers vary.
200
What atoms can be found in water?
Hydrogen and oxygen.
200
Based on ____________ scientists divide the atmosphere into 4 layers.
temperature
200
In which state do the molecule mov the slowest? And the fastest?
Slowest: solid
Fastest: gas
200
Water that fills the cracks and spaces in underground soil and rock layers is called ______________.
Ground Water.
200
What 3 major steps make up the water cycle?
Water evaporates, condensation forms clouds, water fall as precipitation.
300
What is water made up of?
Atoms
300
Meteors burn up in this layer.
Mesosphere
300
The process by which a gas changes to a liquid is called _________.
Condensation.
300
True or False.
Far more fresh water is found in lakes and rivers than underground water.
False.
300
Water that falls to earth as rain, snow, hail or sleet is called _____________.
Precipitation.
400
Water _________ when it freezes.
expands
400
Which layer would be closest to our moon?
Thermosphere
400
What is the only substance on Earth that commonly exist in 3 different states?
Water.
400
What's the percentage of fresh water in underground?
1/4 ; a quarter.
400
The process when the water is given off through the leaves as water vapor is called _____________.
Transpiration.
500
What are the first two letters of a scientist's last name who helped find out what two gases were in water? lower case letters only.
ca or la
500
In which layer can you find the ozone?
stratosphere
500
1. Water moves between the liquid and gaseous states by ___________and____________.
2. Water moves between the liquid and solid states by ___________and____________.
1. Evaporation and condensation.
2. Freezing and melting.
500
True or False.
The 3 percent of Earth's fresh water is available for human to use.
False.
500
-How does water cycle works?
-Do you think this game helps you to learn about water?