Year 7 SIS and Chemical Sciences Key Words

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Across
  1. 1. The study of the natural and physical world.
  2. 4. The way that the parts of a material or substance are arranged.
  3. 8. The theory that all matter is made of tiny particles which are constantly moving.
  4. 11. A variable that is measured to determine a change as a result of the experiment.
  5. 16. Any liquid that dissolves other substances.
  6. 17. An observation that uses words and descriptions, and is not based on measurement or other data.
  7. 18. A liquid made up of a solvent with a solute dissolved in it.
  8. 20. Something made up of two or more substances mixed together.
  9. 21. A colloid of two or more liquids.
  10. 22. Something that can affect the results of an experiment.
  11. 23. Being protected and unlikely to cause danger or harm.
  12. 25. Type of mixture that always looks cloudy because clumps of insoluble particles remain suspended throughout it.
  13. 27. Detailed information about how something should be done.
  14. 28. The state of matter that has a firm and stable shape (particles are arranged in fixed positions).
Down
  1. 2. A variable that is kept the same to make a test fair.
  2. 3. Something that only contains one type of substance.
  3. 5. Items used in the laboratory to conduct experiments.
  4. 6. An observation that uses a number, such as a measurement.
  5. 7. Splitting a mixture into it’s different components.
  6. 9. Characteristics or features that describe matter.
  7. 10. A variable (factor) that is deliberately changed in an experiment.
  8. 12. Contains a large number of solute particles in the volume of solution.
  9. 13. A substance that is studied in Chemistry.
  10. 14. The state of matter that spreads out to completely fill a container (particles not bonded to one another and travel in straight lines to fill a container).
  11. 15. A substance that dissolves in a liquid (solvent).
  12. 16. How easily a substance dissolves in a solvent.
  13. 19. A cloudy liquid that contains particles that are not dissolved.
  14. 23. A solution in which no more solute can be dissolved.
  15. 24. The ability of particles to move around.
  16. 26. The state of matter that is able to flow but cannot be compressed (particles not held in fixed positions and can slide over one another).