Science competition

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Across
  1. 5. Where scientists record results.
  2. 6. Diagram to show the state of a substance.
  3. 7. Burning.
  4. 9. French chemist famous for the law of conservation of mass.
  5. 12. Experimental variable which is measured.
  6. 14. Explosive gas.
  7. 15. Unit of force.
  8. 17. Shows reactants and products in a chemical reaction.
  9. 18. Point at which a solid becomes a liquid.
  10. 19. Science graduates can expect to earn more of this.
Down
  1. 1. Speeds up a chemical reaction.
  2. 2. Two or more elements chemically bonded.
  3. 3. Goggles help to ensure this.
  4. 4. Point at which a liquid becomes a gas.
  5. 8. Experimental variable which is changed.
  6. 10. Solid, liquid or gas.
  7. 11. Fuel with one carbon atom and four hydrogen atoms.
  8. 13. Made in a chemical reaction.
  9. 16. Liquid product of combustion.
  10. 17. Sound, heat and light are types of this.