Across
- 4. slippery brown liquid that comes from the ground
- 6. small net that catches the dirty stuff in the oil
- 8. turning old items into new ones.
- 9. the opposite of old
- 10. steps taken to protect yourself
- 12. time that hasn't happened yet
Down
- 1. a different word for engine
- 2. if you're not dirty, you are _______.
- 3. long road that connects cities
- 5. clear fluid you drink every day.
- 7. the planet we live on.
- 11. big vehicle built to carry things