5 Questions
What is one of the most useful tools for studying how global climate has changed?
Cores of ice from Greenland and Antarctica
What is the primary cause of the current increase in average global temperature?
Human activities
How do mountains affect climate?
By reducing air temperature with altitude
What happens to sea level rise when water is added to oceans through melting?
It increases
What is an example of negative feedback related to climate change?
Increase in plant growth leading to more carbon dioxide removal
Study Notes
Studying Global Climate Change
- One of the most useful tools for studying how global climate has changed is ice cores, which provide a chronological record of climate patterns.
Causes of Global Warming
- The primary cause of the current increase in average global temperature is the increasing levels of greenhouse gases, such as carbon dioxide and methane, in the Earth's atmosphere.
Mountainous Regions and Climate
- Mountains affect climate by creating rain shadows, where air is forced to rise, cool, and condense, resulting in higher precipitation on one side of the mountain and a drier climate on the other.
Sea Level Rise
- When water is added to oceans through melting, sea level rise occurs, as the increased volume of water occupies more space.
Negative Feedback in Climate Change
- An example of negative feedback related to climate change is the increased plant growth resulting from elevated CO2 levels, which in turn absorbs some of the excess CO2 from the atmosphere.
Test your knowledge of climate change and its effects on the Arctic and the rest of the globe with this quiz based on Unit 9 Lesson 3 of HMH Science Dimensions Earth and Space Science.
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