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24.6: Radiation Around Us

Difficulty Level: At Grade Created by: CK-12

Student Behavioral Objectives

  • Students will calculate the amount of radioactive material that will remain after an integral number of half-lives.
  • Students will describe how carbon-14 is used to determine the age of carbon containing objects.
  • Students will qualitatively compare the ionizing power and penetration power of  \alpha, \beta , and  \gamma particles.

Timing, Standards, Activities

Timing and California Standards
Lesson Number of 60 min periods CA Standards
Radiation Around Us 1.0 11c,11e,11f

Activities for Lesson 6

Laboratory Activities

1. Basic Nuclear Lab Kit


1. None


1. None

Extra Readings

1. Carbon-14 Dating

Answers for Radiation Around Us (L6) Review Questions

  • Sample answers to these questions are available upon request. Please send an email to teachers-requests@ck12.org to request sample answers.

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Date Created:

Aug 18, 2012

Last Modified:

Aug 13, 2014
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