Glendale C. C.
Collaborative Team
- Peer Mentor
- Biology Faculty
- Biology Faculty
- Geology Faculty
- Biology Faculty
- Chemistry Faculty
Radioactivity and Dating Team
- Karen Conzelman
- Pam Nelson
- Marie Villarba
Natural Selection Team
- Karen Conzelman
- Erik Gergus
- Pam Nelson
- Lee Sola
Last Updated: 11/05/2002
Systemic Reform in Science (SyRIS)
"Evolution: The only constant is change."
- LAW OF RADIOACTIVE DECAY
This site provides a simulation of the decay of radioactive atoms over time.
- VIRTUAL DATING: Radioactive Isotopes - the "Clocks in Rocks"
This site provides activities to learn about half-lives of radioactive istotopes and methods for dating rocks.
- Numerical and Relative Ages for Rocks
Learn about the Geologic Time Scale and Numerical Dating.
- Half-Life - A Useful Concept
Answer questions on half-lives using data and various tools.
- Radioactive Isotopic Decay
Answer questions on half-lives using a Parent decay curve.
- Parent Decay and Daughter Growth Curves
Predict the half-life of radioactive isotopes using parent-daughter growth curves.
- Dating Rocks with the Rb-Sr "Isochron" Method
Learn how minerals and rocks can be dated using the Rb-Sr method.
- RADIOCARBON DATING
This site provides a detailed interactive tutorial on radiocarbon dating and how it is used to date once-living artifacts.
- Radiocarbon Dating Introduction
Learn about the atoms involved and the decay processes they undergo.
- Radiocarbon Dating Page 2
Learn about the carbon-14 decay and what objects can be dated.
- Radiocarbon Age Dating
Learn about the atoms involved and the decay processes they undergo.
- The C-14 Decay Curve
Learn about carbon-14 and half-lives.
- Applying the Radiocarbon Decay Curve
Learn about carbon-14 activity and estimating the age of objects using half-lives.
- What about AD, BC, BCE and BP Ages?
Learn about the accepted way of using carbon-14 activity to estimate the age of various objects.
- Testing the Radiocarbon Dating Method
Learn about testing the radiocarbon dating method.
- Calibrating radiocarbon ages with tree ring ages
Learn if the assumption that the amount of carbon-14 in the atmosphere is constant over time is valid.
- Working with Radiocarbon Calibration Curves --a final exercise.
Learn how to date various objects using corrections.
- SMOKE DETECTOR SIMULATOR
Learn how a smoke detector works with radioactive material.
- MASS SPECTROMETER SIMULATOR
Learn how a mass spectrometer works.
- RADIATION AND LIFE
Learn about penetrating power and biological hazards of ionizing radiation.
- HOW DOES RADIATION AFFECT HUMANS?
Learn about penetrating power and biological hazards of ionizing radiation.
NATURAL SELECTION WEBSITES: