Across
- 2. A trick used to steal information online.
- 4. A tool used to see distant objects in space.
- 7. A device that stores energy for later use.
- 9. A wearable device that helps support human movement.
- 11. A large object that travels around a star.
- 12. A vehicle used to travel into space.
- 14. Using resources carefully so they are available in the future.
- 15. A new idea or method that solves a problem.
Down
- 1. The protection of nature and natural resources.
- 2. An early model used to test an idea.
- 3. A city that uses technology to improve life for its people.
- 5. A robot with a human-like shape.
- 6. Energy that comes from heat inside Earth.
- 8. A set of instructions that a computer follows to solve a problem.
- 10. A way of protecting information by changing it into a secret code.
- 13. Able to operate without much human control.