Across
- 4. required to make particles move faster
- 6. elements and compounds
- 8. process of a liquid changing to a gas
- 14. temperature in Celsius that water boils
- 15. uses letters, numbers, and formulas to represent
- 17. process of a solid changing to a gas
- 18. made of only one type of atom
- 21. element with symbol Na
- 22. properties of matter such as flammability
- 23. able to see with the naked eye
- 25. temperature in Celsius that water melts
Down
- 1. phase of matter containing charged particles
- 2. properties of matter such as color
- 3. element with symbol C
- 5. measure of the average kinetic energy of particles
- 7. process of a liquid changing to a solid
- 9. variable shape and variable volume
- 10. made of at least two different elements
- 11. process of a gas changing to a liquid
- 12. process of solid changing to a liquid
- 13. type of energy associated with motion
- 16. process of a gas changing to a solid
- 19. definite volume but variable shape
- 20. heterogeneous and homogeneous
- 21. definite shape and definite volume
- 24. element with symbol O