Learners investigate exponential decay.  Students explore the biological half-life of Cesium-137.  Learners investigate the Goiania Accident of 1987 which is considered one of the worst incidents in the history of the Atomic...

In this number facts activity, learners determine the number associated with each of the twenty-five facts provided.  Students then need to determine how the answers are related to each other.  Answers are provided at the end...

In this scientific notation worksheet, learners solve a total of 10 problems, writing numbers given in problems using scientific notation, then numbers given in scientific notation in standard form.

In thsi scienfic notation activity, students answer 10 questions converting back and forth between scientific notation and standard form.  Students write very big and very small numbers using scientific notation.