Year 10 Chemistry crossword

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Across
  1. 3. variable that changes as a result of the independent variable; the variable that is measured during the experiment
  2. 5. requires input of energy
  3. 6. ENERGY, (KE)energy possessed by moving objects
  4. 7. numerical data, such as a measurement or a tally
  5. 8. combination of an organic molecule with oxygen in cell that provides energy
  6. 11. reaction that involves the breakdown of a compound into simpler substances; energy in the form of heat or electricity is required to break the bonds in the reactants
  7. 12. insoluble compound formed in a precipitation reaction
  8. 13. descriptive data, using words; not based on measurement or numerical data
  9. 15. chemical substance formed in a reaction between an acid and a base, usually a metal and non-metal combination; common or table salt, NaCl, is one type of salt
  10. 17. reaction that involves a substance rapidly combining with oxygen, usually accompanied by a flame; burning
Down
  1. 1. factor kept constant during an experiment
  2. 2. shorthand way of showing what happens to the reactants and products in a chemical reaction
  3. 4. releases energy
  4. 9. reaction that involves the building up of compounds by combining simpler substances, normally elements
  5. 10. when an acid and a base react to neutralise each other and form a salt and water
  6. 14. chemical compound with a pH < 7 that tastes sour and contains at least one hydrogen atom.
  7. 16. chemical compound with a pH > 7 that tastes bitter and is soapy to touch