Physics Aviary
Physics Aviary: Practice Problems: Half Life From Graph
Determine the half-life of an isotope based on the graph of the amount of the isotope left as a function of time.
Physics Aviary
Physics Aviary: Practice Problems: Half Life From Data
Determine the half-life of an isotope based on the activity data of the isotope as a function of time.
Physics Aviary
Physics Aviary: Practice Problems: Decay Constant and Half Life From Table
Determine the decay constant and half-life of an isotope based on the activity data of the isotope as a function of time.
CK-12 Foundation
Ck 12: Radioactive Half Life
[Free Registration/Login may be required to access all resource tools.] Explains radioactive half-life and radioactive dating, and demonstrates how to solve problems with each.
Texas Instruments
Texas Instruments: Growth and Decay Formulas
In this question set, students use exponential growth and decay functions to solve problems about compound interest, population growth, investments, and half-life. Solutions and explanations are provided for these problems.
PBS
Idaho Ptv: Science Trek: Salmon
An excellent and comprehensive resource on salmon. Includes three videos: a half-hour show, a video short, and a short video where an expert answers children's questions. The facts section covers every topic you might think of, including...