Across
- 7. The study of matter.
- 8. A state of matter in which a substance will have no definite shape but a definite volume.
- 12. The amount of space an object occupies.
- 13. A substance that turns litmus red and tastes sour.
- 15. When a substance changes from one state of matter to another.
- 16. The characteristic of a particular substance that can be observed during a chemical reaction.
- 19. A reversible change in a physical property of a substance.
- 20. Attractive and/or repulsive forces between objects produced by the motion of an electric charge.
- 21. When a gas changes to a liquid.
- 23. A state of matter in which a substance has a definite shape and volume.
- 24. How one can measure the acidity or basicity of a substance.
- 25. A state of matter in which a substance will have no definite shape or volume.
- 26. When a gas changes to a solid.
- 27. The smallest unit of matter.
- 28. Synonymous with "hue".
Down
- 1. When a solid changes to a gas.
- 2. When a solid changes to a liquid.
- 3. Anything that takes up space.
- 4. The temperature that a substance starts to freeze or melt.
- 5. The temperature that a substance starts to boil or evaporate.
- 6. An observation made without destroying or changing matter.
- 9. When a liquid changes to a solid.
- 10. A substance that turns litmus blue and tastes bitter.
- 11. When a substance is being transformed into more substances.
- 14. The amount of mass per unit of volume.
- 17. When a liquid changes to a gas.
- 18. A type of oxidization that occurs when iron comes in contact with oxygen.
- 20. The amount of atoms in matter.
- 22. A substance that changes color when the pH is changed.