Radioactivity Quiz: questions and answers
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1. What is radioactivity?
The act of emitting radiation spontaneously
2. How is radioactivity measured?
Counting how many atoms are spontaneously decaying each second
3. What is the unit of radioactivity?
A curie
4. What are gamma rays?
Photons that are emitted from the nucleus
5. What is an example of natural radiation?
Cosmic rays
6. Who discovered radioactivity?
Henri Becquerel
7. Why is radioactivity harmful?
It damages or destroys the tissues of the human body
8. What are the types of radiation?
Alpha and beta particles, and gamma radiation
9. What is radiotherapy?
The practice for curing the cancer
10. What's another name for radioactivity?
A nuclear decay