Water Systems

2. Water has a __ effect on air temperature.
5. In recent years, glaciers have been__
10. Hurricanes and less severe storms are common in the __ provinces.
13. What do scientists call times when ice sheets expand?
14. What water makes up about 3% of water on earth?
15. Heat from the sun passes through the __, reaching earth's surface.
18. A greenhouse is an example of a __.
19. When glaciers melt, the freshwater __ the ocean water.
20. Scientists estimate that nearly a __ of the planet was covered in ice during the last Glacial expansion.

1. What is it called when heat that would normally reflect off of earth's into space is blocked from doing so?
3. What has the highest heat capacity, water, land, or air?
4. Hurricanes start as __ over water.
6. After water flows into the ocean, what does it do?
7. 76% of earth's freshwater is in what state?
8. What is the layer under the Aquifer?
9. Salinity is used to describe the amount of __ in water?
11. The southern hemisphere has more or less water than the northern hemisphere? → More
12. Water vapour is in which state?
16. In what zone is the Aquifer?
17. When temperatures rise, in what form is precipitation more likely to come in?