Mr. Gallagher notices a puddle of water on his way home from school. The next day the puddle is gone. What most likely happened to the puddle of water?
It evaporated.
100
When does the water cycle stop?
It never stops.
100
To change from the liquid state to the gas state without boiling
evaporate
100
As you add more thermal energy (heat) what happened to the speed of the molecules?
The speed of the molecules increases.
200
Water molecules in vapor have __________ energy that water molecules in liquid water.
More
200
Give an example of condensation.
Outside of a glass, fog
200
Evaporation occurs when the sun’s energy is __________ by water molecules and they turn into __________.
absorbed, water vapor
200
The process of changing from vapor, or gas, to liquid
Condensation
200
What is water is the solid state?
ice
300
Water as a gas in the air is...
Water vapor
300
Water molecules in ice have less thermal energy than water molecules in liquid form. The evidence that supports this statement is...
Ice is colder than water.
300
The energy to drive the water cycle comes from...
The sun
300
Use of a model to imitate, or act out, real-life situations
Simulation
300
Snow and hail are examples of ________________.
precipitation
400
Describe how the molecules in a liquid move and behave.
The particles are able to move past each other.
The particles are attracted to each other.
The molecules take the shape of the container they are in.
400
When air moving west to east meets a mountain, it climbs, which causes __________. On the other side of the mountain, the region is usually __________.
rain clouds to form, dryer
400
Why does the water vapor in the air eventually cool and condense?
It reaches the cold upper atmosphere and loses thermal energy. The particles slow down and vapor condenses back into water droplets.
400
When water evaporates from plants, it’s called...
transpiration
400
The water that was around many hundreds of years ago…
Is the same water we use today.
500
Describe how the molecules in a gas behave.
The particles are able to move past each other very quickly.
The molecules have no defined shape.
The molecules fill up the entire space they are in.
500
Sweating keeps people cool by...
The heat lost in the evaporation of the sweat cools people off.
500
Where was the water coming from the formed on the underside of the lid in our water cycle model?
It came from the puddle of water in the enclosed box, not the ice in the lid.
500
When water evaporates directly from snow or ice, it’s called...
sublimation
500
A rain shadow can cause this type of biome/climate?