Across
- 2. A person who creates new things
- 4. A secret message or signal
- 6. A powerful beam of light
- 8. A machine that can help people
- 10. A game that challenges your brain
Down
- 1. Learning about how things work
- 3. A vehicle that blasts into space
- 5. A smart handheld device
- 7. A flying robot machine
- 9. The area beyond Earth