Crossword

123456789101112131415161718192021
Across
  1. 5. A push or a pull
  2. 7. Microscopic organisms whose cells do not contain a nucleus
  3. 12. The force on an object caused by another object’s gravity
  4. 13. The force of friction on an object moving through the air
  5. 15. a scientific instrument used for measuring forces
  6. 17. A type of small particle found in soil
  7. 20. Energy we can see with our eyes
  8. 21. Can be easily hammered into shape
Down
  1. 1. Changing from a gas to a liquid
  2. 2. Molten rock from below the Earth’s crust
  3. 3. Energy of a moving object
  4. 4. Able to dissolve or eat away other materials
  5. 6. the force of one object on another when they touch
  6. 7. Forces acting on an object which cancel each other out
  7. 8. Rain with a pH much lower than normal rain
  8. 9. A force which makes something move away from you
  9. 10. a tiny particle, not made of cells, that can only reproduce inside living cells
  10. 11. The force of one object on another when they slide over each other
  11. 14. The pull of one object on another, which causes weight
  12. 16. Something which can be stored and which can be used in order to do things
  13. 18. A substance that contains hydroxide particles, the chemical opposite of an acid
  14. 19. A force that makes something comes towards you