Year 8 Science - Exam Revision
Across
- 7. Allows air to into the burner
- 8. a type of change that occurs when a substance is transformed into one or more different substances
- 11. When a substance changes state, from a solid to a gas without becoming liquid
- 12. Allows air and gas to mix
- 14. Blocks/Opens the air hole
- 15. state of matter which can expand freely and fill available space
- 16. state of matter that is pourable and able to change shape
- 17. a substance must have mass and volume
- 18. occurs when a liquid is cooled to the point it becomes a solid
- 19. the gas form of a liquid
- 21. a measure of the mass of a substance in a certain volume
- 22. the temperature at which a substance changes from a solid to a liquid
Down
- 1. state of matter that is firm and stable
- 2. When gas changes state into a liquid by cooling
- 3. the temperature a which a substance changes from a liquid to a gas
- 4. a type of change that is usually a reversible change of a substance
- 5. occurs when a solid is heated to the point it becomes a liquid
- 6. the yellow flame of a bunsen burner
- 9. the fourth state of matter
- 10. the spontaneous spreading of a substance through a liquid/gas
- 12. Stops the burner from tipping
- 13. When a liquid evaporates and becomes a gas
- 20. A piece of scientific equipment used to heat things in the laboratory