Across
- 2. Power from electricity, the sun, or wind that makes things work.
- 4. A tall plant with a wooden trunk, branches, and leaves.
- 5. Material made from trees that we write on or recycle.
- 6. We drink it, and we should turn off the tap when brushing teeth.
- 7. Small green plants in nature.
- 9. To keep safe from harm or danger.
- 11. To use something again instead of throwing it away.
- 13. The big body of salt water where fish and whales live.
- 16. Things we do not need anymore and throw away.
- 19. Living things like birds, fish, and mammals in nature.
- 20. To go somewhere on foot instead of taking a car.
- 21. Long body of fresh water that flows across the land.
Down
- 1. To turn paper, plastic, or glass into new things.
- 3. The natural world, including plants, animals, and landscapes.
- 5. A material used for bags and bottles that is bad for the ocean.
- 7. A vehicle with two wheels that does not pollute the air.
- 8. To stop wasting something, like water or energy.
- 9. To put a tree or flower in the ground to grow.
- 10. The blue and green planet where we live.
- 12. Energy that comes from the sun.
- 14. To pick up trash on the beach or in the street.
- 15. We should use a cloth one for shopping instead of plastic.
- 17. We should turn this off when we leave a room to save energy.
- 18. Material used to make bottles and windows that can be recycled.