Nuclear Decay Worksheet
Explore the fundamentals of nuclear decay, including types of decay, half-life, and applications, suitable for Grade 10 science students.
Includes
Standards
Nuclear Decay: An Introduction
Name:
Date:
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Read each question carefully and provide the best answer. Show all your work for calculations.
1. Which type of nuclear decay involves the emission of a helium nucleus?
Beta decay
Alpha decay
Gamma decay
Electron capture
2. What is the half-life of a radioactive isotope if 75% of a sample decays in 20 years?
5 years
10 years
15 years
20 years
3. Nuclear fission is the process where a heavy nucleus splits into two or more lighter nuclei, releasing a large amount of .
4. The time it takes for half of the radioactive nuclei in a sample to decay is called its .
5. Gamma rays are electromagnetic radiation and have no mass or charge.
True
False
6. Beta decay results in the atomic number decreasing by one.
True
False
7. Briefly explain the difference between nuclear fission and nuclear fusion.
8. Describe one practical application of nuclear decay in medicine or industry.
