Investigation 7 Review

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Across
  1. 2. light travels in ________
  2. 5. light is a combination of electric and __________ energy
  3. 7. the dark areas on a light spectrum are called ________ lines
  4. 10. the country that the US was in a conflict with during the 1960s was called the ________ union
  5. 11. a conflict between the US and USSR during the 1960s
  6. 13. a competition between the US and USSR to get to the moon first
  7. 14. energy with a long wavelength has ________ energy
  8. 17. a unique "fingerprint" that all light sources give off is called a light_______________
  9. 19. energy with a short wavelength has _______ energy
  10. 20. when an object is moving closer and squishing lightwaves together
Down
  1. 1. the name of the lunar module that landed on the moon
  2. 3. a tool that separates light into different wavelengths
  3. 4. the _______ telescope gave us the first clear images of deep space
  4. 6. the mission that landed people on the moon for the first time
  5. 8. light is a form of _________ energy
  6. 9. last name of the first person to walk on the moon
  7. 10. the study of light
  8. 12. last name of the first man in space
  9. 15. the distance between two waves
  10. 16. when an object is moving away and stretching lightwaves apart
  11. 18. the _____ Webb telescope is the newest telescope to take pictures of deep space
  12. 21. the bright lines that show up in a spectrum are _______ lines