Across
- 4. to form a solution by mixing evenly
- 9. smallest parts that make up matter
- 10. Change A change that occurs when one or more substances change into entirely new substances with different properties.
- 11. particles vibrate, move, and slide past each other.
- 12. how much space an object or substance takes up (its volume) in relation to the amount of matter in that object or substance (its mass)
- 15. evidence; information gathered from observations
- 16. the substances you start with in a chemical reaction.
- 18. incapable of being dissolved
- 19. A group of atoms bonded together
- 21. the steps taken to investigate a fair test.
- 22. particles do not move around.
- 25. able to dissolve
- 26. of conservation of mass Matter is neither created nor destroyed
- 27. something that repeats itself and can be predicted.
Down
- 1. A combination of two or more substances that are not chemically combined
- 2. The particles are close together.
- 3. how liquids flow differently
- 5. system A system in which no matter is allowed to enter or leave
- 6. color,odor, density, melting point, viscosity, solubility
- 7. Change a change of matter from one form to another without a change in chemical properties
- 8. the amount of matter in an object
- 13. system matter can enter from or escape to the surroundings
- 14. characteristics of substances that don't change
- 17. The particles are tightly packed.
- 20. the new substance that forms in a chemical reaction
- 23. Particles are well separated with no regular arrangement. Particles move freely at high speeds.
- 24. point The temperature at which a solid becomes a liquid