| A | B |
|---|
| greenhouse effect | gases in atmosphere trap sun's energy |
| Difference between last Ice Age and climate now | 9 degrees |
| atmosphere | thin layer of gases surrounding Earth; air around us |
| What gases make up the atmosphere? | Nitrogen, Oxygen, water vapor |
| Time when people began using machines | Industrial Revolution |
| Greenhouse Gases | water vapor, carbon dioxide, methane, ozone |
| What does burning coal and oil make? | Carbon Dioxide |
| How is methane made? | Trash in landfills & by cows, pigs, etc. |
| How is global warming impacting glaciers? | They are melting. |
| Largest ice block in Antarctica | Ward Hunt Ice Shelf |
| When did Ward Hunt Ice Shelf split apart? | 2002 |
| Why might ocean levels rise? | Glaciers melting adds water to oceans |
| Over last 100 years, how much has sea level gone up? | 6-8 inches worldwide |
| How might global warming impact our future? | grow crops in different places, flood places where people live, etc. pg 78 |
| drought | period without rain |
| conserve | use less |
| How can you help to stop global warming? | better car, take alternative transportion, better light bulbs (pg 80) |
| climate | average weather for place over time |
| Ice Age | colder/wetter; covered most of northern hemisphere |
| When did most recent Ice Age end? | 12,000 years ago |
