Year 7 Crossword Puzzle

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Across
  1. 4. Particles in this state are tightly packed together (5 letters)
  2. 5. State of matter with no fixed shape but definite volume (6 letters)
  3. 6. Type of energy produced by moving water (12 letters)
  4. 7. The rise and fall of sea levels caused by gravitational pull (4 letters)
  5. 9. State of matter with fixed shape and volume (5 letters)
  6. 10. State of matter with no fixed shape or volume (3 letters)
  7. 14. Type of energy stored in batteries (11 letters)
  8. 16. Energy that comes from heat (11 letters)
  9. 18. Energy from burning fuel (11 letters)
Down
  1. 1. Type of energy stored in stretched or compressed objects (12 letters)
  2. 2. Energy of moving objects (11 letters)
  3. 3. Form of energy that makes things move (9 letters)
  4. 5. The moon's influence on ocean movement (4 letters)
  5. 8. When water changes from liquid to gas (10 letters)
  6. 11. Energy from the sun (5 letters)
  7. 12. Pushing or pulling that can change an object's motion (5 letters)
  8. 13. Measure of how much matter an object contains (4 letters)
  9. 15. Force that pulls objects towards the center of the Earth (7 letters)
  10. 17. The ability to do work (6 letters)