7th Grade Spring Final

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Across
  1. 4. the depression often found around the top of the volcano
  2. 7. this telescope uses curved mirrors
  3. 8. formed when magma hardens in a vertical crack
  4. 9. a bright streak across the sky
  5. 10. the ______ tide happens when the Sun, Moon, and Earth create a right angle
  6. 12. formed when magma hardens in a horizontal crack
  7. 13. one probe sent to the Moon to measure conditions and gather mineral samples
  8. 17. a crack that forms in the Earth's crust
  9. 20. mountain-like landform that forms from successive eruptions from a vent
  10. 21. squeezing force that causes reverse faults
  11. 22. Neptune and Uranus appear this color due to the methane in their atmosphere
  12. 24. ____________ dating compares rock layers to each other
  13. 26. vibration caused by moving tectonic plates
  14. 30. a ______ eclipse occurs when the Moon blocks the Sun's light from reaching Earth
  15. 33. created by an earthquake; mapped to allow us to know the Earth's interior
  16. 34. this compound, along with water, increases the thickness of lava as well as its explosiveness
  17. 35. the least number of seismograms needed to locate the epicenter of an earthquake
  18. 37. the exact location in the Earth where an earthquake starts
  19. 38. developed the Sun-centered theory of the universe
  20. 39. large planet colored with bands of brown, red, and tan
  21. 40. the strength of an earthquake as measured by the Richter Scale
  22. 41. the hard, frozen part of a comet
Down
  1. 1. pulling force that causes normal faults
  2. 2. largest igneous formation; magma hardens in a large body underground
  3. 3. this telescope uses clear lenses
  4. 5. the speed of _______ equals 300000 km/s
  5. 6. side-to-side force that causes slip-strike faults
  6. 7. one of these equals 1 year
  7. 9. the Modified ___________ scale measures the intensity of the earthquake
  8. 11. the phase right after the New Moon
  9. 14. a disturbance in an established rock layer
  10. 15. the second & slower seismic wave generated by an earthquake
  11. 16. the _______________ spectrum is energy organized by wavelength
  12. 18. ____________ dating measures radioactive isotopes to determine the age of a rock layer
  13. 19. the 4th planet from the Sun
  14. 20. the 2nd planet from the Sun
  15. 23. the first & fastest seismic wave generated by an earthquake
  16. 25. Venus & Earth both experience a __________ effect due to their atmospheres
  17. 27. Neil _________ was the first man on the Moon
  18. 28. the season caused when part of Earth is tilted more toward the Sun
  19. 29. a meteoroid that strikes Earth
  20. 31. magma that reaches the Earth's surface
  21. 32. the ______ telescope does not require light and looks like a large satellite dish
  22. 36. the ______ tide shows the greatest tidal range
  23. 40. large, dark plains of hardened lava on the moon