Across
- 2. Home to many kinds of living things.
- 4. Hard to understand.
- 6. An insect that drinks your blood.
- 10. Not normal.
- 11. Thought.
- 12. To show that something is true.
- 13. Something that we throw away.
- 14. Cars cause air ___________.
Down
- 1. Past tense of travel.
- 3. We can do this with glass, plastic and paper.
- 5. Waste fruit and vegetables used to put on soil.
- 7. From a tree and used to make erasers.
- 8. The Earth has many_________.
- 9. That movie is so bad it's ________.