Across
- 2. The area beyond the Earth’s atmosphere.
- 3. The study of the natural world.
- 8. Tools and machines that help us.
- 10. A living creature that is not a plant.
Down
- 1. A clear liquid that is essential for life.
- 4. The planet we live on.
- 5. The study of numbers and shapes.
- 6. A machine that can do tasks automatically.
- 7. A person who designs and builds things.
- 9. A living thing that grows in the ground.