Across
- 3. energy that comes from sources that won’t run out, like wind or sun (starts with R)
- 6. a device used to control something from far away (starts with R)
- 7. energy sent out as waves, like light or heat (starts with R)
- 9. a machine that can do tasks like a human or animal (starts with R)
- 10. to use old materials again to make something new (starts with R)
- 12. careful study to learn new facts or ideas (starts with R)
- 13. a vehicle that travels into space (starts with R)
Down
- 1. a set of keys used to type into a computer (starts with K)
- 2. facts, skills, and information we learn (starts with K)
- 4. a force that slows down motion, like friction (starts with R)
- 5. a unit used to measure mass (starts with K)
- 8. energy of motion, like a moving ball (starts with K)
- 9. to write down or save information for later (starts with R)
- 11. technology that uses radio waves to detect objects (starts with R)