This activity introduces students to the power of a parabolic mirror in focusing the Sun’s rays to a single, hot, point … the focus of the parabola.

# Tag: geometry

## Wrapping presents on the diagonal

In this activity students determine if this method for minimizing wrapping paper is actually more efficient then the traditional method. For a hands on learning experiment, have students actually wrap a small rectangular prism using any available paper in both the traditional and diagonal methods. Then let them compare the two quantities of wrapping paper and decide which method uses less paper and by what percent.