Across
- 3. The smallest particle of an element.
- 7. A state of matter that spreads out to fill its space.
- 8. The amount of matter in an object.
- 11. An animal without a backbone.
- 12. A mixture where one substance dissolves into another.
- 16. An animal with a backbone.
- 18. A state of matter that takes the shape of its container.
- 19. The force that pulls objects towards the Earth.
- 20. When a gas changes into a liquid.
- 22. A measure of how hot or cold something is.
- 23. How tightly packed the particles in a substance are.
- 24. A state of matter that keeps its shape.
Down
- 1. Process plants use to make food from sunlight.
- 2. Protective eyewear used in experiments.
- 4. A type of burner used to heat substances.
- 5. A container used for holding and mixing liquids in the lab.
- 6. A warm-blooded animal with hair or fur that produces milk.
- 9. A small glass tube used for holding samples.
- 10. A cold-blooded animal with dry, scaly skin.
- 13. Used to measure temperature.
- 14. Needed to make things move, change, or grow.
- 15. The amount of space something takes up.
- 17. When a liquid changes into a gas.
- 21. A three-legged stand used to hold equipment above a flame.