Grade 7 Science Term 3 Crossword

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Across
  1. 2. When the plates move towards each other
  2. 4. The eclipse when the Earth is between the Sun and moon
  3. 5. The resistance on speed on Earth
  4. 7. The force that keeps you grounded to the floor or a seat
  5. 9. The tides that cause volcanoes and earthquakes
  6. 10. All planets orbit the Sun on the same ___________
  7. 12. The wasted energy __________ into its surroundings
  8. 18. The name given to the plates that are the plate boundaries
  9. 20. When the plates move apart
  10. 23. The quantity of matter in an object
  11. 25. Caused when the plates slide past one another
  12. 28. Using models have _________ because they are not accurate
  13. 30. The force of gravity on an object
  14. 31. The gas planet that orbits in the opposite direction to Earth
  15. 33. When plates slid past one another
Down
  1. 1. Name of the force pulling towards the center of the Earth
  2. 3. The theory of pangea is also know as ________ drift
  3. 6. The mountain formed by divergence
  4. 8. What does the unit N/kg represent?
  5. 11. To calculate the mass of an object we _________ weight by gravity
  6. 13. What kind of energy are the following: kinetic, chemical, elastic
  7. 14. Name of the unit of weight
  8. 15. The mountains formed by convergence
  9. 16. The eclipse when the moon is between the Sun and Earth
  10. 17. The force from the Moon's gravity is called a __________ force
  11. 18. The useful energy of a hairdryer
  12. 19. Electrical, sound and light energy are ________ energies
  13. 21. The cause of sound
  14. 22. The change of depth in water
  15. 24. The theory of how dust and gas formed the solar system
  16. 26. Name of the unit of mass
  17. 27. Where there are no particles present
  18. 29. To calculate the weight of an object we ________ mass by gravity
  19. 32. Reflected sound waves in an empty room