Astronomer's Toolbox

Electromagnetic Spectrum

Try this!

Find the term in the puzzle that fits each clue given below. Then write the term on the line next to the clue. The terms read across, down, or diagonal.

You can either print out the puzzle and circle the words or do the puzzle on your computer screen. To do the puzzle on the computer, hold your mouse on the first letter of the word you have found in the puzzle and drag it to the last letter.

1.	Energy emitted into the air and received by your boom box.
2.	Electromagnetic radiation can be described in terms of a stream of this type of particle.
3.	Energy from these will cook popcorn.
4.	Large balls of gas that create and emit their own radiation.
5.	This type of radiation is normally felt as heat.
6.	The part that our eye can see.
7.	A source of ultraviolet radiation.
8.	Distance between adjacent peaks in a series of periodic waves.
9.	This radiation is abbreviated as UV.
10.	Unit of time
11.	A doctor uses these to look at your bones.
12.	Energy radiated in the form of waves.
13.	A name scientists give to the full range of types of radiation.
14.	Radioactive materials can emit these.
15.	Measured in cycles per second.

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This activity was developed by Cheryl Carter, Bladensburg High School, Bladensburg, MD