Water atoms and molecules.
Vocab
Water cycle
Facts about water
Reasons why is water so important
100
When water is in solid form are the molecules moving quickly slowly or not moving at all
the molecules are moving very slowly
100
what is the definition of surface tension?
when polar molecules stick together on the surface of the water it creates a tight tension.
100
The movement of the water cycle throughout Earth's atmosphere is called what?
The Water cycle.
100
Why is water important to the human body?
Water regulates the body's temp. and it also hydrates it so it can distribute nutrients and reproduce.
200
when water is in its liquid form are the molecules moving quickly, slowly, or not moving at all.
quickly.
200
What is Adhesion?
Adhesion is when particles stick to other surfaces.
200
What is precipitation?
precipitations is water that falls to Earth in the form of, rain, sleet, hail, or snow.
200
What is the percentage of fresh water on earth's surface?
about 2.5 percent of fresh water is found on earths surface.
300
How many atoms make up a water molecule?
3 atoms.
300
what is Cohesion?
when particles of the same substance stick together, such as water molecules sticking to other molecules.
300
What is groundwater?
Groundwater is water that is held underground, when precipitation falls to the ground.
300
How much of water on earths surface comes from groundwater?
about 30 percent
300
How much water on the Earth can Humans use?
less than 1 percent.
400
What atoms make up a water molecule?
two hydrogen and one oxygen.
400
What is a molecule?
This is a group of atoms that stick together to form a molecule.
400
What is condensation?
When a gas changes to a liquid.
400
What percent of Earths surface is covered by water?
about 75 percent
400
Why is water essential to plants?
It is used for photosynthesis and respiration.
500
What do the atoms connect in a water molecule?
The atoms connect different molecules.
500
What is a solvent
Being able to dissolve other substances.
500
What are the steps of the water cycle?
Precipitation, evaporation, condensation, and transpiration.
500
How much water is distributed by the great Lakes?
21 percent
500
How much water should the average person drink a day?
about 8 ounces.
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