Across
- 3. A tiny computer part that stores information.
- 6. An examination of a body after death.
- 7. A tool used to see tiny things.
- 11. A 3D picture made with light.
- 13. To watch over or direct others.
- 15. To move someone up in rank or job.
- 16. To give someone a reason to act or move forward.
- 17. A system that flies a plane by itself.
- 19. A cone-shaped tool that projects sound.
- 20. A tool that makes your voice louder.
- 24. A screen that shows pictures and sound from far away.
- 25. A tiny living thing, like bacteria.
- 26. A person’s signature or written name.
- 27. A tool doctors use to listen to the heart.
- 28. An old system of sending messages with wires.
Down
- 1. The ability to move from one place to another.
- 2. So small it can only be seen with a microscope.
- 4. A tube that shows colorful patterns when turned.
- 5. A long piece of music for an orchestra.
- 8. A tool used to see faraway objects in space.
- 9. Able to be seen.
- 10. A device that lets people talk from far away.
- 12. Works by itself, without much help.
- 14. The ability to govern or rule yourself.
- 15. Related to the sounds of speech.
- 18. A program that is broadcast on TV.
- 21. Able to move from place to place.
- 22. A group of sentences about one idea.
- 23. A drawing that explains something.
- 25. One millionth of a second.