Across
- 2. materials do this when heated
- 5. units for temperature
- 7. the main part of the air on our planet
- 9. Two hydrogens and an oxygen
- 10. hydrochloric and sulphuric are examples
- 12. The only liquid metal at room temperature
- 15. Device for heating chemicals
- 16. iron, copper and zinc are all examples of this type of substance
- 17. Produced when a solvent dissolves a solute
- 18. highest energy state of matter
- 19. turns blue with universal indicator
Down
- 1. Gas produce by a burning candle
- 3. the low density gas in some balloons
- 4. Glass container for chemical reactions
- 6. the solid form of water
- 8. Gas necessary for life
- 11. a gas which pops with a lighted splint
- 13. the main element in coal
- 14. the colour of the cooler flame on a Bunsen burner
- 15. the colour of the hottest flame on a Bunsen burner
- 17. state of matter where particles vibrate about a fixed point