Hydrogen Spectrum Activity

Objective To observe hydrogen’s emission spectrum and to verify that the Bohr model of the hydrogen atom accounts for the […]

Egg Vacuum Activity

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

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 […]