Download Electromagnetic Waves Webquest

ELECTROMAGNETIC WAVES WEBQUEST
Answer the following questions on a separate sheet of paper.
Use the following web address to answer the questions below:
http://www.bbc.co.uk/schools/gcsebitesize/science/aqa/waves/generalwavesact.shtml
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What two types of waves must pass through a medium (physical substance)?
What types of waves can travel through electromagnetic radiation?
What is the amplitude of a wave?
What is a wavelength?
What is the frequency of a wave?
What is the unit of frequency?
What is the equation for frequency?
Use the following web address to answer the questions below:
http://imagine.gsfc.nasa.gov/docs/science/know_l1/emspectrum.html
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What is radiation?
Where in your house do you find visible light waves?
Where in your house do you find radio waves?
List 2 different places radio waves are used.
Why do we often think of infrared waves as heat?
Other than microwave ovens, where are microwaves used?
What type of wave is the part of the spectrum that we see?
What type of waves does the Sun emit?
What type of waves do doctors use to take pictures of your bones?
What type of wave is radioactive? Where are these made?
What are radio waves, visible light rays, and x-rays all a part of?
What is it that waves are made up of?
How fast do waves travel?
Photons in different waves are different. How?
What 3 ways do we describe waves?
Use the address below to answer the next questions:
http://science.hq.nasa.gov/kids/imagers/ems/ems.html
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What colors make up the visible light portion of the electromagnetic spectrum?
Which color has the highest frequency?
Which color has the lowest frequency?
How is a wavelength measured?
a. CLICK ON “What are waves?”
What are 2 examples of waves we can see?
Why is there no sound in space?
CLICK ON “What are electromagnetic waves?”
When are electromagnetic waves formed?
b. CLICK ON “Different kinds of electromagnetic waves have different wavelengths.”
c. CLICK ON the “RADIO WAVES” link at the bottom of the page…
For each type of wave, list 3 facts that make it different from the rest:
d. Radio
e. Microwaves
f. Infrared
g. Visible Light
h. Ultraviolet
i. X-rays
j. Gamma Rays
32. Which category of waves has the longest wavelength?
You will use the next website to answer the following questions:
http://amazing-space.stsci.edu/resources/explorations/light/CatchWaves_activation-frames.html
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Activate the tab and tell me what you see!
CLICK ON “Light Facts” in the upper right-hand corner of the screen.
Who noticed the visible light spectrum first?
What causes the waves in a rainbow to bend?
Close the “Light Facts” pop-up window and hit NEXT.
What do all waves have in common?
What is one way we can give water energy?
How do we give energy to the strings of a guitar?
CLICK “Next”
Check out the different waves, click on them and read the sentence below which describes it!
You will now need the following web address:
http://www.darvill.clara.net/emag/index.htm
Use the links on the top of the page:
Radio waves
43. How are radio waves made?
44. What are some dangers of radio waves?
Microwaves
45. What type of other wave is a microwave similar to?
46. What is one common use of microwaves (besides microwaving food!)?
47. What is a danger of microwaves?
Infrared
48. Do humans give off infrared waves?
49. What is a danger of infrared waves?
Visible Light
50. What is a danger of visible light rays? What can it damage?
Ultraviolet
51. What is a danger of UV rays?
X-rays
52. What can over-dosage of x-rays cause?
Gamma Rays
53. How do you stop gamma rays?
54. Who is most vulnerable to its dangerous effects?