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# 24.6: Radiation Around Us

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

Demonstrations

1. None

Worksheets

1. None

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.

## Date Created:

Aug 18, 2012

Jul 21, 2014
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CK.SCI.ENG.TE.2.Chemistry.24.6