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Student Behavioral Objectives

The student will:

  • list some naturally occurring isotopes of elements that are radioactive.
  • describe the three most common emissions during natural nuclear decay.
  • express the changes in the atomic number and mass number of radioactive nuclei when an alpha particle is emitted.
  • express the changes in the atomic number and mass number of radioactive nuclei when a beta particle is emitted.
  • express the changes in the atomic number and mass number of radioactive nuclei when a gamma ray is emitted.
  • express that protons and neutrons are not indivisible and are composed of particles called quarks.
  • express the number of quarks that make up a proton or neutron.

Timing, Standards, Activities

Timing and California Standards
Lesson Number of 60 min periods CA Standards
Nuclear Disintegration 1.5 11d, 11e, 11g

Activities for Lesson 4

Laboratory Activities

1. None

Demonstrations

1. None

Worksheets

1. None

Extra Readings

1. None

Answers for Nuclear Disintegration (L4) 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:

Jul 21, 2014
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