Task 2: Electromagnetic Spectrum
Complete the following worksheet.
Go to the web site www.darvill.clara.net/emag
1. Click on “How the waves fit into the spectrum” and fill in this table
1.
Click on “Radio waves”. They are used for _______________________
2.
Click on “Microwaves”. They are used
for cooking, mobile _________, _______ cameras and _________.
3. Click on “Infra-red”. These waves are given off by _____ _________. They are used for remote controls, cameras in police
____________ , and alarm systems.
4.
Click on “Visible Light”. This is used in ___ players and _______ printers,
and for seeing where we’re going.
5. “UV” stands for “ ________ ___________”. This can damage the ___________ in your eyes, and cause sunburn and even
_______ cancer. Its uses include detecting forged __________________ _______.
6.
X-rays are used
to see inside people, and for _________ security.
7. Gamma rays are given off by some ________________ substances. We can use them to kill ________ cells, which is called
R______________________________
My Quiz score is ____%.
