Across
- 4. The solid parts of Earth, including rocks and soil.
- 8. A measurable sign of climate change.
- 10. A greenhouse gas released by activities such as burning fossil fuels.
- 11. The layer of gases surrounding Earth.
- 14. All water on Earth, including oceans, rivers and ice.
- 16. A gas that absorbs and emits heat, such as carbon dioxide or methane.
- 17. All living organisms on Earth.
- 18. Actions taken to reduce the impacts of climate change.
- 19. The geographic area where a species is found.
Down
- 1. An increase in the average level of the world’s oceans.
- 2. A powerful greenhouse gas produced by agriculture and natural processes.
- 3. Ground that remains frozen for at least two consecutive years.
- 5. Information used to support a scientific explanation.
- 6. The process where gases in the atmosphere trap heat.
- 7. Interacting systems including the atmosphere, hydrosphere, biosphere and geosphere.
- 8. Long-term changes in Earth’s average weather patterns and temperatures.
- 9. A general pattern or direction shown by data over time.
- 12. The increase in Earth’s average surface temperature over time.
- 13. The average temperature of ocean water.
- 15. Frozen seawater found in polar regions.