Across
- 4. Introduction of harmful substances into the environment
- 5. A testable and specific statement that predicts the outcome of an experiment
- 6. The solid part of the Earth
- 9. All forms of water on Earth
- 10. The large-scale removal of forests or trees
Down
- 1. The long-term alteration of global weather patterns
- 2. The realm of life on Earth
- 3. The continuous process of water evaporating from the Earth’s surface
- 7. The layer of gases surrounding Earth
- 8. The act of noticing and studying a phenomenon or event