Grade 12 Radiation Worksheet
A comprehensive worksheet covering key concepts of radiation for Grade 12 Physics students, including types, properties, and applications.
Includes
Standards
Grade 12 Radiation Worksheet
Name:
Date:
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Read each question carefully and answer to the best of your ability. Show all work for calculations.
1. Which type of radiation consists of high-energy electromagnetic waves?
Alpha particles
Beta particles
Gamma rays
Neutrons
2. What is the approximate range of alpha particles in air?
Several meters
A few centimeters
Several kilometers
Indefinite
3. The process by which an unstable atomic nucleus loses energy by emitting radiation is known as .
4. The time it takes for half of the radioactive atoms in a sample to decay is called its .
5. Beta particles are identical to electrons.
True
False
6. Gamma radiation can be stopped by a thin sheet of paper.
True
False
7. Describe the primary differences in penetrating power between alpha, beta, and gamma radiation.
8. The image below illustrates radiation from the sun reaching Earth.
Explain how different types of radiation from the sun interact with Earth's atmosphere.
Match each term on the left with its correct description on the right.
9. Ionizing radiation
a. The unit of absorbed radiation dose
10. Becquerel (Bq)
b. Radiation with enough energy to remove electrons from atoms
11. Gray (Gy)
c. Unit of radioactivity, one disintegration per second
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