| Vocabulary | Earths Water | Water Analogy | States of water and its bonding | EXTRAS |
|---|---|---|---|---|
|
What is an Aquifer?A natural underground reservoir of water
What is an Aquifer?
|
70%
Earths water has ?% amount of water on its surface
|
2 hydrogen molecules, 1 oxygen molecule (H2O)
What is the formula of Water?
|
Liquid, Gas, Solid
What are the states of water?
|
Hydrogen bonds
What is the bond created between water molecules?
|
|
an artificial channel for conveying water
What is an Aqueduct?
|
3%
Earth has only ?% of fresh water
|
it dissolves in most substances
Why is water the universal solvent?
|
water molecules sticking together
What is Cohesion?
|
to help maintain normal body temperatures, to prevent sharp changes in body temperatures
How does waters heat capacity help organisms?
|
|
an artificial storage for surface water
What is a Reservoir?
|
75%
75%How much fresh water is available for human use? (%)
|
32°F, 0°C
What is the freezing point of water
|
water sticking to another substances and surfaces
What is Adhesion?
|
its density changes and it floats in water
What happens to water when it freezes?
|
|
a shaft dug in the ground for underground water
What is a well?
|
Hail, sleet, snow, rain,
Name the types of precipitation
|
Hydrogen molecule has a small positive charge and Oxygen molecule has a small negative charge
Why is water a polar molecule?
|
its polarity
Why is water a good solvent?
|
to act as an insulator and prevent the pond from completely freezing
Why is it important for water on a pond to freeze at the surface?
|
|
An artificial reservoir for rain
What is a Cistern?
|
Influencing Weather, Shaping Earths Surface, Supporting Life, Supporting Human Activities
Name 2 out of 4 roles water has on Earth
|
The tight bond of water creating surface tension
Why can water critters walk on water?
|
the salt raises the freezing point of the water, and the motion of the ocean prevents this from happening
Why cant oceans freeze?
|
Its traps the heat and high temperatures before heating its own
How does water put out fires?
|
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