Electromagnetic Spectrum Webquest (20 points)



Physical Science

Electromagnetic Spectrum Web-Quest

Name: _____________________________________ Date: ________________________ Period: ______

Directions:

1. Go onto the following website:

2. You will notice first thing that the website is a little out-dated. NASA has since updated this Web-Quest, but I have not made a question sheet for it yet. SORRY! (

3. Please complete the questions below according to each section of the web-quest. Make sure you answer ALL questions in COMPLETE SENTENCES to receive FULL CREDIT. The questions are in order with the web pages.

4. Completing portions or all of this web-quest will count towards extra points for your “Waves-R-Us” Projects.

Section: Click on “What Are Waves?”

Question 1: How do sound waves travel? What do sound waves NEED in order to travel?

Question 2: Do electromagnetic waves need molecules to travel?

Question 3: How are sound waves and electromagnetic waves different?

Question 4: Can sound travel through space? WHY?

Section: Click on “What Are Electromagnetic Waves?”

Question 5: Define the word static.

Click on the Scientists for questions 6 & 7 below.

Question 6: How did James Maxwell discover electromagnetic waves?

Questions 7: Who is Heinrich Hertz and what is he famous for?

Section: Click on “Electromagnetic Waves Have Different Wavelengths.”

Question 8: How are electromagnetic waves different from one another?

Click on “Electromagnetic Waves Have Different Wavelengths” to answer question 9.

Question 9: List the electromagnetic waves in increasing wavelength.

Wave Type Wavelength

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Click on RADIO WAVES for the following questions.

Question 10: Which type of wave has a larger wavelength FM radio or AM radio?

Question 11: How do radio telescopes work?

Click on MICROWAVES for the following questions.

Question 12: Why are microwaves good at transmitting information?

Question 13: What is RADAR used for?

Click on INFRARED for the following questions.

Question 14: How big (or small) are infrared waves?

Question 15: Give three examples of far infrared waves.

Click on VISIBLE for the following questions.

Question 16: What is unique about visible waves compared to other types of waves in the electromagnetic spectrum?

Question 17: What color of visible light has the longest wavelength? Shortest wavelength?

Question 18: When all the colors of the rainbow are seen together, what color do you see?

Question 19: What is Earth’s natural form of visible light?

Click on ULTRA-VIOLET for the following questions.

Question 20: Ultraviolet radiation has too small of a wavelength for humans to see. However, name one animal that can see ultraviolet radiation.

Question 21: What causes sunburns?

Question 22: What important layer in Earth’s atmosphere is responsible for blocking ultraviolet radiation?

Click on X-RAYS for the following questions.

Question 23: What is the relationship between wavelength and amount of energy?

Question 24: Can X-rays penetrate through the Earth’s atmosphere? Why?

Question 25: Where do X-ray telescopes have to be placed in order to view objects in space?

Click on GAMMA RAYS to answer the questions below.

Question 26: How are gamma rays generated?

Question 27: Compare Gamma Rays wavelength and energy to other forms of electromagnetic radiation.

Question 28: What astronomical objects do gamma rays show us?

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