Across
- 2. A sour substance that can dissolve things.
- 4. To move steadily, like water in a river.
- 6. A repeating series of events, like the water ______.
- 8. A small model of the Earth.
- 11. A state of matter like the stuff in a balloon.
- 13. Information or facts, like numbers or words you collect.
- 16. The smallest piece of information a computer can store (0 or 1).
- 18. To try out an idea or an experiment.
- 20. Hard, solid material from the Earth.
Down
- 1. A push or a pull.
- 3. The special language you write to tell a computer what to do.
- 5. Aliving thing that grows in the ground and makes its own food.
- 7. The energy that lets us see.
- 9. A small mistake in a computer code (or a small insect!).
- 10. A room where scientists do experiments.
- 12. The big star in the sky that gives us light and heat.
- 14. The tiny building block of all matter.
- 15. The mixture of gases we breathe.
- 17. Frozen water.
- 19. A device you use to help you do a task, like a hammer or a computer.