Across
- 3. the quantity of space take up by matter
- 4. state of matter where molecules are moving and colliding so far and fast that they create ions
- 8. the smallest unit of matter
- 11. solids, liquids, gases, and plasma are example of this (3 words)
- 12. a substance made of only one kind of atoms and found on the periodic table
- 13. the amount of a substance present and measured with a balance
- 14. substance made of 2 or more kinds of atoms but are not chemically changed
- 15. a substance made of 2 or more atoms that are chemically combined
- 16. the amount of mass that is affected by gravitational force
- 18. a measure of the amount of heat given off as particles move
- 21. change changes that occur in a substance that do change its chemical makeup (2 words)
- 22. change changes that occur that do NOT change the chemical makeup of the molecules (2 words)
- 24. state of matter where molecules are fixes but farther apart
- 25. state of matter where molecules are not fixed and are very far apart
- 26. the smallest unit of any kind of substance (can be an atom or compound)
Down
- 1. state of matter where molecules are fixed and close together
- 2. process when liquids form from gas as T decreases
- 3. process when liquids convert to gas
- 5. process where solids convert straight to a gas
- 6. matter that is made of only one kind of atom (2 words)
- 7. any substance that has mass and takes up space
- 9. process when liquids convert to gas by heating the substance to its boiling point
- 10. process when liquids change to solids
- 17. process where solids form directly from a gas
- 19. process when liquids convert to gas without heating
- 20. process when solids change to liquids
- 23. change changes that occur in a substance's nucleus that creates a release of a great amount of energy (2 words)