Students explore the Chernobyl incident and the resulting environmental health impacts. They explore three different isotopes that were released into the atmosphere. Through inquiry, students determine the difference between types of...

In this quantities in chemistry worksheet, students solve 13 review problems about percent composition, significant digits, the mole, simple and molecular formulas, balancing equations, stoichiometry, limiting reagents and percent yields.

Learners examine what radon is and which isotope it belongs. They discuss the characteristics of isotopes in general and the atomic number. They complete a worksheet to complete the lesson.

Students read an article about radon and its properties. They examine a periodic table and identify the numbers surrounding an element. They discuss the harmful and helpful effects of radiation.

Pupils identify the different sources of radiation around us. In this physics lesson, students calculate their estimated radiation exposure per year. They research a current issue about radiation.

This article from Khan Academy provides information about radioactive decay. This information is intended for the Class 12 Physics Course (India).

An interactive tutorial on positrons. Very readible and has a little extra for the advanced student.

This interactive unit will take students up close and personal with the nuclei of atoms as they discover some of their more intimate process. These will include radioactive decay, nuclear fission, and nuclear fusion.

This article presents illustrations and a general discussion about radiation.

[Free Registration/Login may be required to access all resource tools.] This lesson explains the types of radioactive decay and how to write nuclear equations. Includes simulations for learning about alpha and beta particle decay.

Explains the processes of radioactive decay in primary and secondary modes.

This site has lesson plans and activities related to radiation. Activities include measuring radiation with a Geiger counter and observing radiation 'footprints' in a cloud chamber.

Video explaining the process, risks, and benefits of radioactivity. [4:16] Followed by a short quiz and a list of additional resources to explore.

[Free Registration/Login may be required to access all resource tools.] Summarizes the key points about how radioactive particles decay. Includes a few questions to check for understanding.

Take an interactive quiz over radioactivity. After completing the quiz, check your score, and then revisit any incorrect question for further review.

A very readable account of the discovery of radioactivity and its properties.

This article with embedded videos provides information about three main types of radioactive decay: alpha, beta, and gamma.

Learn about nuclear energy as you listen to the audio book describing nuclear chemistry. View maps, examples, graphs, and pictures describing everything from electrons to beta emissions and more.

Click to read different historical documents in chemistry related to the history of the study and discovery of radioactivity.

Site provides the ABC's of nuclear science including radioactivity and gamma decay to fission and comic rays.

Explains what is meant by the half-life of a radioactive element and how it is calculated.

From The Mad Scientist Network web site. Using a question and answer format, this page discusses three types of nuclear reactions - spontaneous decay reactions, nuclear fision reactions, and nuclear fusion reactions. Each reaction type...

This online textbook chapter provides learners with advanced-level material on acids and bases.