Pearson 8 Chapter 6 Physical and Chemical Change
Across
- 4. Group of atoms joined together
- 8. equation Chemical equation using symbols for substances
- 9. Decrease in size as particles move closer together
- 11. Heat is absorbed/ taken in
- 13. Mixture where each particle of solute is surrounded by particles of solution
- 14. Increase in size as particles move further away
- 15. Change from solid to gas
- 19. reaction chemical change that needs a constant supply of energy to continue.
- 20. Change from solid to liquid
- 21. Heat is given out
- 22. Starting chemicals
Down
- 1. New substances made in a chemical reaction
- 2. reaction Re-arrangement of atoms to form new substances
- 3. reaction of a metal with oxygen to form a metal oxide
- 5. Change in state to solid
- 6. Production of a solid on the addition of two solutions
- 7. Change from gas to liquid
- 10. Change from gas to solid
- 12. equation Chemical equation using names of substances
- 16. Change from liquid to gas at the top of the liquid only
- 17. Change where all of the liquid is changing to gas
- 18. change A change where no new substance is made
- 23. Smallest building block that makes up all substances