Investigation 7 Review

2. light travels in ________
5. light is a combination of electric and __________ energy
7. the dark areas on a light spectrum are called ________ lines
10. the country that the US was in a conflict with during the 1960s was called the ________ union
11. a conflict between the US and USSR during the 1960s
13. a competition between the US and USSR to get to the moon first
14. energy with a long wavelength has ________ energy
17. a unique "fingerprint" that all light sources give off is called a light_______________
19. energy with a short wavelength has _______ energy
20. when an object is moving closer and squishing lightwaves together

1. the name of the lunar module that landed on the moon
3. a tool that separates light into different wavelengths
4. the _______ telescope gave us the first clear images of deep space
6. the mission that landed people on the moon for the first time
8. light is a form of _________ energy
9. last name of the first person to walk on the moon
10. the study of light
12. last name of the first man in space
15. the distance between two waves
16. when an object is moving away and stretching lightwaves apart
18. the _____ Webb telescope is the newest telescope to take pictures of deep space
21. the bright lines that show up in a spectrum are _______ lines