Using Equipment and The Particle Model

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Across
  1. 2. the particle model is used to explain how matter changes state and ___.
  2. 7. when you undertake an investigation, you need to choose the correct ___.
  3. 8. water and tea are examples of ___ matters.
  4. 10. repeat testing helps us to spot any ___.
  5. 13. if the data is the same, your results are ___.
  6. 14. the particles have large spaces between them.
  7. 15. we undertake many investigations to test ideas and ___.
Down
  1. 1. we need to use equipment carefully in order to avoid injuries and ___.
  2. 3. matter is made particles that ____ all the time.
  3. 4. if matter is heated, the particles move ___.
  4. 5. all matter is made up of very small parts called ___.
  5. 6. this object is used to measure the length
  6. 9. to make sure the results you get are reliable, you have to take ___ observations.
  7. 11. the particles are very close together and arranged in order. This matter is ____.
  8. 12. if your observation data ____, then there might be something wrong when setting up the investigation.