FORCES

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Across
  1. 4. A force that two objects experience when touching (7)
  2. 7. The unit of force (6)
  3. 13. Equipment for measuring force (11)
  4. 14. A force when two objects try to push into each other (8)
  5. 18. Electrical current and heat flows through it (9)
  6. 19. The unit of mass (8)
  7. 21. Can be drawn into wires (7)
  8. 22. Electrical current and heat does not flow through it (9)
  9. 26. When a liquid turns into a solid (8)
  10. 28. A force experienced when an object is in a fluid (8)
  11. 29. These type of forces cause no change in speed (8)
  12. 30. A force between charged objects (6)
  13. 31. A force between objects with mass (6)
Down
  1. 1. When a solid turns into a liquid (7)
  2. 2. Contains only one type of element (4)
  3. 3. The amount of matter in an object (4)
  4. 5. This charge would repel a negative charge (8)
  5. 6. This charge would attract a negative charge (8)
  6. 8. Contains more than one type of element (6)
  7. 9. A force between two magnetic materials (8)
  8. 10. Can be hammered flat (9)
  9. 11. Contains two or more elements bonded together (8)
  10. 12. These type of forces cause a change of speed (10)
  11. 13. A force that two objects experience without touching (10)
  12. 15. A mixture of a metal and other elements (5)
  13. 16. Makes a clanging sound when hit (8)
  14. 17. A force that opposes motion (8)
  15. 20. A force on a wing when the wing moves forward (4)
  16. 23. This pole would attract a South pole of a magnet (5)
  17. 24. An element on the left hand side of the periodic table (5)
  18. 25. This pole would repel a South pole of a magnet (5)
  19. 27. Breaks easily if a force is applied to it (7)