7th Grade Science Crossword

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Across
  1. 2. relationship between two organisms where they both benefit
  2. 6. the smallest unit of matter
  3. 10. the last supercontinent
  4. 11. the smartest dog in the world (according to Martin)
  5. 12. magma that emerges to the earth's surface
  6. 14. a prefix meaning life
  7. 16. a chemical reaction where heat is released
  8. 18. resources that cannot be replaced in a lifetime
  9. 21. a lake that forms when a river redirects, typically u-shaped
  10. 22. first element on the periodic table
  11. 24. the process that allows animals to turn glucose into energy
  12. 25. the type of rock formed when an existing rock experiences heat and pressure
  13. 27. the top layer of the earth
  14. 28. the type of boundary that occurs when plates move away from each other
  15. 29. rock formed from sediment being compressed together
Down
  1. 1. natural hazard that occurs when tectonic plate collide
  2. 3. the innermost layer of the earth
  3. 4. in a parasitic relationship, the ________ gets nutrients from the host
  4. 5. the product that plants make (and want) from photosynthesis
  5. 7. the process that recycles old ocean floor and creates new
  6. 8. protons, neutrons, electrons are examples of these
  7. 9. the location in the plants where most photosynthesis occurs
  8. 13. a series of food chains put together to show a more realistic picture
  9. 15. the process of continents moving slowly over time is called continental ______
  10. 17. sport Ms. Martin coached
  11. 19. the type of rock formed from magma cooling
  12. 20. the smallest unit of all living things
  13. 23. a prefix meaning Earth
  14. 26. a reaction where the atoms are not changed, ex) folding paper