25 Nuclear Changes
Chapter 25: Nuclear Changes
Labs
Math Skills
Ratios
Percentages
Fractions
Age of Rocks
Energy-mass conversion
Objectives
Section 1: Radioactivity
Describe the structure of an atom and its nucleus.
Explain what radioactivity is.
Compare and contrast properties of radioactive and stable nuclei.
Discuss the discovery of radioactivity.
Section 2: Nuclear Decay
Compare and contrast alpha, beta, and gamma radiation.
Define the half-life of a radioactive material.
Describe the process of radioactive dating.
Section 3: Detecting Radioactivity
Describe how radioactivity can be detected in cloud and bubble chambers.
Explain how an electroscope can be used to detect radiation.
Explain how a Geiger counter can measure nuclear radiation.
Section 4: Nuclear Reactions
Explain nuclear fission and how it can begin a chain reaction.
Discuss how nuclear fusion occurs in the Sun
Describe how radioactive tracers can be used to diagnose medical problems.
Describe how nuclear reactions can help treat cancer.