The Atmosphere

4. when a layer of cold air is trapped beneath a layer of warm air
6. this layer has satellites and Auroras
9. any airborne gas or particle that is harmful to humans
10. energy transfer through space by visible light, UV radiation, and other forms of electromagnetic waves
12. temperature will decrease in this layer and meteors can be seen
14. the energy transferred from one object to another because of a difference in temperature
16. the measure of how rapidly molecules move
17. form of oxygen that combines 3 oxygen atoms in each molecule (O3)
18. the first day of winter
20. lines that connect places with the same temperature

1. the transfer of energy by the flow of a heated substance
2. energy transfer that occurs when molecules collide and takes place only when substances are in direct contact
3. the layers of the atmosphere are brocken up based on altitude and _____
5. the first "official" day of summer
7. this occurs because of Earth's position relative to the sun continually changing as it travels along its orbit
8. the temperature remains constant and the ozone is located in this layer
11. sunlight is more direct and warmer at the ____
13. the height of an object above the Earth's surface
15. the measure of the force with which air molecules push on the surface
19. the layer where weather occurs