Electromagnetic Radiation Web Quest
Go to http://amazing-space.stsci.edu/resources/explorations/light/
***Answer all questions in your INB by restating the question***
Catch the Waves
1. Activate the picture and see how light from the star is broken up into a
rainbow or a spectrum
2. Click on Spectrum: Define Electromagnetic Spectrum
3. Click on Light Facts: List 2 facts about Rainbows
4. Click on Brain Teasers and answer the following questions, restating the
question.
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If the Sun suddenly blew up, would we know about it right away?
Why?
How long does it take light from Sirius to reach Earth?
What acts as a prism in the air that makes a rainbow?
5. Click the NEXT button in the right corner
6. What is one common characteristic of waves?
7. Explain how water, guitars and sunlight create waves.
8. Click on Light Facts: What is the difference between how light and sound
travel?
9. Click the NEXT button in the right corner
10. Name the 7 types of wavelengths. Can we see all of them?
11. Click on Brain Teasers: What do you see in an x-ray?
12. Click the NEXT button in the right corner
13. Describe what each picture of the Sun looks like in each different
wavelength.
14. Click on Light Facts: Why do stars twinkle?
Heating Up
15. Click the NEXT button in the right corner and Click on Heating Up
16. Click on the temperature control to see what the peak wavelength is at
each temperature.
17. Click on Peak Wavelength and define the term.
18. Answer the question “As the temperature of the robot increases, its color
becomes… red or blue.
19. Click on Light Facts: Why does the Sun look red?
20. Click on Brain Teasers and answer the following:
a. What is the difference between a planet and a star?
21. Click the NEXT button in the right corner
22. What happens to the peak wavelength as the temperature increases?
23. Click the NEXT button in the right corner
24. Click on any star in A, B and C but in D choose Betelgeuse.
a. What color is the star?
b. Click on Learn More and give two facts about each star.
25. Click the NEXT button in the right corner
26. Plot your stars on the graph. What connection can you make between star
temperatures and star colors?
27. Click the NEXT button in the right corner
28. Click Go and watch the stars being plotted on the graph. Answer the
questions next to the graph. Record them in your INB.
29. Click Next in the right corner and then click on Stellar Encounters
Stellar Encounters
30. Put the stars in order and record them in your INB.
31. Click on Learn More and describe pulsars and neutron stars.
32. Click on the Brain Teasers and answer the 2 questions.
33. Click the NEXT button in the right corner
34. Which side of the galaxy is hotter and why?
35. Click on Learn More About It and list the two types of stars that are
normally in a galaxy.
36. Click the NEXT button in the right corner.
37. Put the stars in order and record them in your INB.
38. Click on Learn More About It and list three facts about NGC 1850.
Congratulations you have learned really cool stuff about waves, and stars!
If you have time, click on Amazing Space in the lower right hand corner, then
click on A Hubble Gallery on the left hand side and check out some beautiful
stars!