What I Know
Directions: Read each item carefully. Write the letter of the correct answer in a
separate sheet of paper.
1. Which is an example of electromagnetic radiation?
a. Gamma rays
c. Ultraviolet rays
b. Visible light
d. All of the above
2. Radiation is a form of
a. Active isotopes c. Energy
b. Atomic waveform d. Decayed matter
3.X-rays were discovered in 1895 by.
a. Marie Curie b. Pierre Curie c. Robert Conrad d. Wilhelm Roentgen
4. Which type of electromagnetic radiation is responsible for causing sunburn?
a. Microwave b. Ultraviolet rays c. Visible light d. X-rays
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