Teacher Demo/Student Activity: Measuring the Speed of Light

This demonstration allows students to experimentally determine the speed of light by heating a piece of chocolate in a microwave oven. This demonstration is best used as an enrichment activity as the concepts involved go beyond the curriculum expectations. Still, the...

Student Activity: Refraction of Light – Disappearing Penny

This demonstration serves as a superb introduction to the refraction of light. Students place a penny underneath a plastic cup. While viewing the penny through the side of the cup, they slowly fill the cup with water. The penny disappears from sight. This content is...

Student Activity: Refraction of Light – Reappearing Penny

This demonstration serves as a superb introduction to the refraction of light. Students will view a penny at the bottom of an opaque plastic cup. After moving slightly so that the penny just barely disappears from sight, water is slowly added. The penny magically...

Activity: Vaccination and Herd Immunity

“Our bodies are bombarded by bacteria and viruses. For those that make their way inside, our immune system is on guard, waiting not only to kill the invaders but also to create memory cells that will help defeat them more quickly the next time they try to...
(noscript)