8th Grade Science

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Across
  1. 3. These are types of forces that help build of the earth
  2. 4. One method of finding the volume of an object is water ______________
  3. 6. Made when an oceanic plate subducts with a continental plate
  4. 8. Energy released in the form of seismic waves
  5. 9. Mass divided by volume
  6. 11. This type of potential energy depends on the mass and height of an object
  7. 16. These types of currents happen in the Asthenosphere
  8. 19. Forces have ____________ and direction
  9. 20. Igneous rock _____________ are always younger than the rocks they cut through
  10. 24. The layer of the Earth where plates are located
  11. 26. The type of plate boundary where plates move away from each other
  12. 27. Between two traits, neither is dominant, so both traits show up
  13. 28. Free body diagrams help us calculate the ______ force
  14. 29. P-waves and S-waves are both types of ____________ waves
  15. 30. This scale measures the magnitude of earthquakes
Down
  1. 1. Where your genes are located
  2. 2. Force equals mass times ____________
  3. 5. One tectonic plate slips under another tectonic plate
  4. 7. When two alleles are different from each other
  5. 10. Surivial of the fittest
  6. 12. The step of the scientific method when we set our variables
  7. 13. Two continental plates converge
  8. 14. A hotspot made this state
  9. 15. This variable is the thing that the experimenter changes throughout the experiment
  10. 17. The least dense layer of Earth
  11. 18. The Law of Superposition says the ___________ layer of rock is on the bottom
  12. 21. The type of reproduction that produces identical offspring
  13. 22. This type of potential energy is highest when a spring is stretched as far as possible
  14. 23. This force pulls objects towards the surface of Earth
  15. 25. When sediments are moved to a new location