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Ch 10.2 Rates of Nuclear Decay

Ch 10.2 Rates of Nuclear Decay

Author: deirdre carney
Description:
  • Define half-life and relate half-life to age of a radioactive sample
  • Compare and contrast nuclear reaction rates with chemical reaction rates
  • Describe how radioisotopes are used to estimate the age of materials

Nevada Science Standards

P.12.C.4 Students know characteristics, applications and impacts of radioactivity. E/S

Next Generation Science Standards

HS-PS1-j Develop representations of the changes in the composition of the nucleus of the atom and the energy released during he processes of fission, fusion, and radioactive decay.

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Tutorial

Video Clip: Radioacitve half-life

Chapter 10.2 Rates of Nuclear Decay

Read Chapter 10.2 Rates of Nuclear Decay
Outline the reading in your Science Notebook & include major points and diagrams/tables.
You should focus on the following essential questions:
- How do nuclear decay rates differ from chemical reaction rates?
- How do scientists determine the age of an object that contains carbon-14?

Full Screen

Source: Prentice Hall: Physical Science - Concepts in Action

Video: Radiocarbon Dating

Mr. Andersen explains how carbon-14 dating can be used to date ancient material. The half-life of radioactive carbon into nitrogen is also discussed.

Take notes in your Science Notebook.

Video Clip: Nuclear Decay Calculations

Review how to calculate half-life calculations. Be sure to put detailed examples in your science notebook.