Winter Science

3. Semi-permanent, massive low-pressure system that hovers over the poles of our planet.
7. When the temperature of water reaches this point it becomes a solid
8. When the tilt of the earth is at maximum
11. When water is in a gaseous form

1. System where the atmospheric pressure is lower than that of surrounding locations
2. The line between warm water and cold water in a lake
4. When water falls from the clouds
5. Bands of strong wind that generally blow from west to east all across the globe
6. Frozen water takes on this formation
9. When the tilt of the earth is even
10. Movement caused by the tendency of hotter and therefore less dense material to rise