Term
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Definition
Industrial Revolution
this was the starting point of "global warming" |
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Term
| Why is it important to study climate changes? |
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Definition
| Because each change will indeed have a significant impact on natural disasters. |
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Term
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Definition
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Term
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Definition
| A natural and critical process that keeps Earth's atmospheric temps. at livable levels. |
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Term
1. What does GHG stand for?
and
2. What are some GHG's? |
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Definition
1. Greenhouse Gases
2. Water Vapor (H20)
Carbon Dioxide (CO2)
Methane (CH4)
Nitrogen Oxide (N2O) |
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Term
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Definition
| Helps filter dangerous UV radiation. |
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Term
Which GHG has the highest percent in the reason for global warming?
Which comes in second?
and...
Third? |
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Definition
1. CO2 with 60%
2. CH2 with 16%
3. N2O with 5% |
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Term
| What is 21 times better at trapping heat then CO2? |
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Definition
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Term
| As the atmoshpere warms what else warms? |
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Definition
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Term
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Definition
| The Earth's past climate. |
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Term
| What do fossils tell us about past climate? |
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Definition
Fossils in rocks can tell us:
about ancient climate.
If there is a warm climate fossil in a rock once scientist date the rock they can know that it was warm at that time. |
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Term
| What are some rock types and what do they tell us? |
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Definition
- limestone: warm ocean conditions
- salt deposits: desert conditions prevailed
- coal deposits: warm tropical, marsh or swamp conditions
- tillites: ancient glaciers |
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Term
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Definition
| They are chemicals that can be used to estimate climate conditions. They are found within rocks |
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Term
| Was the early earth hot or cold? |
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Definition
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Term
| What took out a lot of the CO2 out of the early atmosphere? |
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Definition
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Term
| Times that the Earth's overall temp is less then normal and glaciers are abundant are called what? |
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Definition
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Term
| The opposte if an ice age is what? |
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Definition
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Term
What are three things about Pleistocene globally?
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Definition
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•30% of Earth’s surface covered
•Huge continental ice sheets
•Lower sea levels
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Term
| In the oceans what has increased over the last 200 yrs? |
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Definition
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