Radioactive decay is a spontaneous and random process ... nuclei in a sample will have decayed. This is called the half-life. Key fact Half-life is the time it takes for the activity of the ...

In this lesson, students will simulate the randomness of decay in radioactive atoms and visualize the half-life of a sample radioactive element. This lesson can be completed in two (2) 45-minute class ...

Students can understand the mechanism of radioactive half-life and how it helps determine age by experimenting with pennies, dice, and sugar cubes to simulate the radioactive decay of different ...

It also means that the process of radioactive decay cannot be speeded up or slowed ... This is called the half-life. Key fact Half-life is the time it takes for the activity of the source to ...