Across
- 4. The long-term pattern of weather in a region.
- 6. A period of unusually low rainfall that can lead to water shortages.
- 8. Water that falls from clouds as rain, snow, sleet, or hail.
- 9. A scientist who studies Earth's atmosphere and weather.
- 10. The average temperature and weather conditions over many years.
- 11. A weather event where water covers land that is usually dry.
Down
- 1. cycle The movement of water through Earth's systems.
- 2. Dioxide A gas in the atmosphere that helps trap heat and is increased by burning fossil fuels.
- 3. change A change in Earth's average temperature and weather patterns over time.
- 5. The layer of gases surrounding Earth.
- 6. Evidence collected through observations, measurements, and investigations.
- 7. Fuels Fuels formed from the remains of ancient plants and animals.