| A | B |
|---|
| Layer of the atmosphere closest to the Earth? | troposphere |
| How CFC's destroy the ozone layer.? | destroy ozone molecule |
| What happens to evaporated water. | condenses into clouds |
| Transfer of energy by electromagnetic waves. | radiation |
| Transfer of heat by the flow of heated material. | convection |
| Where electrically charged particles are found. | ionosphere |
| Where air is warmed by heat from the Earth's surface. | troposphere |
| Too much exposure to what can cause skin cancer. | ultraviolet radiation |
| The only substance that exists as a solid, liquid and a gas in Earth's atmosphere. | water |
| Temperature in the thermosphere. | Very warm |
| This prevents radiation from reacing Earth's surface. | reflection and absorption by the atmosphere |
| Sea and land breeazes happen because of what? | land heating and cooling faster that water |
| What is the second most abundant gas in Earth’s atmosphere? | oxygen |
| What does the ozone layer absorb? | ultraviolet radiation |
| How many oxygen atoms are in an ozone molecule? | 3 |
| What gas do animals exhale? | carbon dioxide |
| In the troposphere, what 2 conditions decrease as altitude increases? | temperature and pressure |
| what electrically charged atoms called? | ions |
| how air is heated near Earth’s surface | conduction |
| what is one of the most abundant greenhouse gases | methane |
| the coldest layer of Earth’s atmosphere | mesosphere |
