7th Grade Science Vocab

123456789101112131415161718192021222324252627282930
Across
  1. 5. Having two identical alleles for a trait
  2. 6. Earth’s thin outermost layer
  3. 7. Force that pulls objects toward Earth
  4. 11. The powerhouse of the cell
  5. 13. Thick layer of hot rock beneath Earth’s crust
  6. 14. Opposite magnetic pole from north
  7. 16. Liquid layer surrounding Earth’s inner core
  8. 18. Rock changed by heat and pressure underground
  9. 24. Force that opposes motion between surfaces rubbing together
  10. 25. Study of heredity and inherited traits
  11. 26. Trait hidden when a dominant allele is present
  12. 27. Plate boundary where plates slide past each other
  13. 28. Object that attract iron and create magnetic fields
  14. 29. Having two different alleles for a trait
  15. 30. Choosing parents with desired traits to produce offspring
Down
  1. 1. Type of rock formed from cooled magma or lava
  2. 2. Speed of an object in a given direction
  3. 3. Resistance of an object to a change in motion
  4. 4. The organelle where DNA is stored
  5. 8. Solid metal center of Earth
  6. 9. Trait that masks another trait when present
  7. 10. Rock formed from layers of sediments pressed together
  8. 12. Large moving sections of Earth’s crust
  9. 15. A push or pull acting on an object
  10. 17. Process where organisms best adapted survive and reproduce
  11. 19. Type of plate boundary where plates move apart
  12. 20. Rate at which velocity changes over time
  13. 21. Type of plate boundary where plates move together
  14. 22. Buildup of electric charges on an object's surface
  15. 23. Chart used to predict genetic outcomes
  16. 24. Preserved remains or traces of ancient organisms