Across
- 2. pushes upwards, as in pushes water upwards
- 6. a solid formed during a chemical change
- 8. measures how much space is occupied by a substance (units: mL or cm3)
- 11. the substances formed in chemical reactions
- 13. describes a process that gives off energy in the form of heat, light or sound
- 17. the change of state when a solid is heated and forms a liquid
- 19. the starting substances in chemical reactions
- 20. a simplified representation of solids, liquids and gases
- 21. change a change that does not result in a new substance being produced
- 22. a type of chemical equation where the chemicals in the reaction are represented by their chemical formulas
- 23. a change of state from solid to gas
- 24. a measure of the mass per unit volume of a substance, d = mV (unit: g/cm3)
- 26. a decrease in size
- 27. a mixture where the substances are mixed on the atomic level
- 28. a change of state where aliquid is heated and changes to a gas within the liquid
Down
- 1. measures how much matter is in a substance (unit: g)
- 3. when atoms rearrange to form new substances
- 4. the change of state from liquid to solid
- 5. change a change that results in a new substance being formed
- 7. the smallest building block that makes up all substances
- 9. describes a process that absorbs energy from the surroundings
- 10. a change of state from gas to solid
- 12. a change of state where a gas is cooled and forms a liquid
- 14. an increase in size
- 15. a type of chemical equation where the chemicals are represented by the chemical names
- 16. the change of state where a liquid changes to a gas at the surface of the liquid
- 18. a process where two liquids or two gases mix due to the motion of their particles
- 22. the change of state from liquid to solid
- 25. a cluster of atoms