Evaluating Climate Change Data
Learning Objective
I can evaluate climate data to draw conclusions about climate change.
Key Concepts
Guy Callendar discovered that the planet had warmed by about 0.3 degrees Celsius over the previous 50 years and believed these changes were a direct result of human activity.
Burning fossil fuels disrupts the natural balance by releasing additional greenhouse gases into the atmosphere, trapping more heat and causing Earth's average temperature to rise.
Scientists extract ice cores by drilling deep into ice at Earth's poles to determine concentrations of gases in Earth's past atmosphere, revealing that human activity is dramatically increasing the rate of climate change.
Practice Questions
This lesson includes 12 practice questions to reinforce learning.
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1. According to the video, what is the crucial difference between weather and climate?
2. What is the greenhouse effect, and why is it normally considered a 'good thing'?
3. How did Guy Callendar contribute to our understanding of climate change, as described in the video?
...and 9 more questions
Educational Video
Evaluating the Evidence for Climate Change - Tracking Glaciers, Temperatures, and Human Impact
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