1. Drag the labels to complete the diagram showing how the greenhouse effect occurs:
- 1. Sunlight reaches Earth
- 2. Most heat should go back to space
- 3. The Earth is warmed to keep us alive
- 4. Greenhouse gases trap some heat
- 5. Less heat leaves atmosphere
- 6. More heat is trapped because gases are thicker
- 7. Earth becomes too hot causing issues
2. Look at the graph about carbon dioxide levels over 50 years. Answer the questions:
a. In which year was carbon dioxide levels 355 parts per million? 1980
b. What was the carbon dioxide level in 2010? 390 parts per million
Parent Tip: Review the logic above to help your child master the concept of greenhouse effect worksheet middle school.
