8th Grade Science Review

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Across
  1. 4. boundary where 2 tectonic plates move apart
  2. 5. the main metal in magnets
  3. 8. Type of map with contour lines for elevation
  4. 11. Opposite electrical charges do this
  5. 13. If an objects gains these, it becomes negative
  6. 14. type of electric charge created by friction
  7. 17. a single flower reproduces on its own
  8. 19. a term that means push away
  9. 22. term describing how organisms change over time
  10. 23. when rock layers are weathered away
  11. 24. molten rock beneath the surface
  12. 27. Chart like a family tree showing genetics
  13. 28. 2 different flowers reproduce
  14. 29. "Survival of the fittest"
  15. 31. type of fossil found all over;helps determine age
  16. 32. Reproduction with only one parent organism
  17. 33. Law that states older fossils are deeper
  18. 34. a type of gene that is "Strong"
Down
  1. 1. pert of the earth's interior that is molten
  2. 2. Type of dominance where traits blend together
  3. 3. When a species completely dies off
  4. 6. Motion of molten rock causing plates to move
  5. 7. a large eruption on the suns surface
  6. 9. molten rock that reaches the surface
  7. 10. boundary where 2 tectonic plates slide past
  8. 12. area around a magnet extending in all directions
  9. 15. Molten volcanic rock that squeezes into layers
  10. 16. Plate boundary where 2 plates collide
  11. 18. a type of gene that is "weak"
  12. 20. supercontinent when all land was joined
  13. 21. magnetic field is strongest on this part of magnet
  14. 25. Reproduction where 2 parents are involved
  15. 26. 2 genes combine and both are visible
  16. 30. When one tectonic plate slides under another