Chemicals in the environment

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Across
  1. 5. The ability to carry electricity or heat.
  2. 7. The amount of matter in an object.
  3. 8. An element that is shiny and conducts heat and electricity.
  4. 11. A pure substance made of one kind of atom.
  5. 12. A substance with a low pH that can react with metals.
  6. 15. A substance made from two or more elements joined together.
  7. 16. How much solute is mixed into a solution.
  8. 21. Facts or observations used to support an idea.
  9. 22. The slow wearing away of metal by chemical reactions.
  10. 25. The substance that does the dissolving.
  11. 26. A reaction between an acid and a base.
  12. 29. property A feature of a substance that can be observed without changing it.
  13. 30. change A change where no new substance is made.
  14. 31. A mixture where one substance dissolves in another.
  15. 33. A starting substance in a chemical reaction.
Down
  1. 1. Matter with a fixed shape and size.
  2. 2. An element that does not have metal properties.
  3. 3. A short form used to represent an element.
  4. 4. Matter that spreads out to fill a space.
  5. 6. How a substance behaves during a chemical change.
  6. 9. Matter that takes the shape of its container.
  7. 10. Letters and numbers that show the parts of a substance.
  8. 13. The smallest part of an element.
  9. 14. The substance that dissolves.
  10. 17. A substance with a high pH.
  11. 18. How thick or runny a liquid is.
  12. 19. chemical reaction where a substance reacts with oxygen and releases energy
  13. 20. Two or more atoms joined together.
  14. 23. A substance that changes colour to show pH.
  15. 24. substance Matter made of only one type of particle.
  16. 27. scale A scale that measures how acidic or basic something is.
  17. 28. Anything that has mass and takes up space.
  18. 32. A mixture where you can see the different parts.