Egg Vacuum Activity

If you are looking for an attention-getting demonstration of the gas laws for physical science students at any grade level, […]

pitviper

Make the Invisible Visible

Detecting IR Light with a Smart Phone The sun actually sends out more light than the part we see. Just […]

optics

Optics of the Human Eye

Background Geometric optics explains how optical devices (such as lenses and mirrors) create images by considering that light travels in […]

The Conical Pendulum

An Experiment in Circular Motion and Centripetal Acceleration The conical pendulum lab allows students to investigate the physics and mathematics […]