You can test out of the first two years of college and save thousands off your degree.Anyone can earn credit-by-exam regardless of age or education level.Radioactive elements are unstable; they breakdown spontaneously into more stable atoms over time, a process known as radioactive decay.
This activity makes for an effective simulation of the scientific process and can easily be completed in one class period.
For this activity, you'll need a large number of sample problems for students to work through.
As students finish each problem, have them hold up their answer so you can check it for accuracy and award points: Did you know…
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For each ''fossil,'' use a permanent marker to write a large number on a zip-lock bag and fill it with a group of colored pieces.