Chemistry explorers prepare a crystalline derivative and find its melting point. Once they discover the melting point, they are able to identify whether or not the substance is pure, and whether it is an aldehyde or ketone. This is an...

Using a bicycle wheel and a rotating stool, young physicists experiment with angular momentum. This is a simple, fun, and educational activity that demonstrates a foundational concept. If you can secure the materials, it is definitely...

Learners use a pipette to mix small amounts of food coloring into water. They visualize the small quantities of parts per million and parts per billion. Contrary to the title, the lesson is about liquid amounts rather than gas amounts....