STAAR Review Crossword

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Across
  1. 2. the type of boundary that creates faults
  2. 6. the number of atoms in one molecule of water
  3. 7. the number of valence electrons all halogens have
  4. 10. the number of organisms in a habitat
  5. 11. a solid that forms when two liquids are mixed together at room temperature
  6. 15. the moon phase during which a lunar eclipse can also occur
  7. 18. dense central region of an atom
  8. 19. the force that is equal and opposite to an action force
  9. 20. tectonic plates move at this speed per month
  10. 23. the scientist that created the periodic table
  11. 24. when you are in a car, it stops and you fly forward because of this
Down
  1. 1. a molecule with two or more of an identical atom
  2. 3. a curved line on a distance-time graph
  3. 4. forms trenches and volcanoes
  4. 5. this type of mark on a topographic map shows a depression
  5. 8. smallest tidal range
  6. 9. the second energy level can fit this many electrons
  7. 12. the kingdom of multicellular autotrophs
  8. 13. the number of energy levels of all elements in period 4
  9. 14. the sum of all forces acting on an object
  10. 16. when offspring are produced by asexual reproduction they are
  11. 17. causes biological weathering of rock into soil
  12. 21. elements that donate electrons
  13. 22. occurs when a super red giant stops fusing elements