Extra Credit: Semester 1 Vocab (CS2)

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Across
  1. 7. extremely small particle that everything is made of. A group of these makes a molecule.
  2. 12. type of wave that needs matter to travel. Hint: Starts with an M
  3. 16. oldest rock on bottom, youngest on top = law of ________.
  4. 17. hot air/liquids rise, cold air/liquids sink
  5. 18. The ____ core is the only liquid layer of earth.
  6. 20. another word for light wave. Travels the fastest in outer space.
  7. 21. The least dense layer of Earth. We live on this layer
  8. 22. layers of rocks
  9. 23. the factor that changes in the experiment
  10. 25. any living thing (ex. Human, bacteria, plant)
  11. 26. The sliding of the lithosphere on the mantle. AKA continental drift is known as plate _____.
  12. 27. stored energy
  13. 28. the energy of motion
Down
  1. 1. Plate boundary where two tectonic plates split.
  2. 2. testable statement regarding the outcome of an experiment
  3. 3. the band of light with the longest wavelength
  4. 4. transfer of heat through light (no contact)
  5. 5. similar to an experiment, but lacks a hypothesis. Uses observations.
  6. 6. the average speed of an object’s molecules
  7. 8. the study of the natural world
  8. 9. The largest layer of the earth. Convection here powers plate tectonics
  9. 10. how close an object's molecules are; thickness
  10. 11. A science teacher.
  11. 13. transfer of heat by direct touch
  12. 14. the band of light with the highest energy/frequency
  13. 15. any prehistoric organism preserved in rock
  14. 19. scientist who studies earth and rocks
  15. 24. plate boundary associated with the formation of mountains and volcanoes