Ask & Experiment

Ask & Experiment has experiments for you to try at home, activity books to download, PhysicsQuest resources for your school or after school group, and a way you can get your physics questions answered by real physicists.


PhysicsQuest, a free competition for 6-9th grade students and after school groups, consisting of four science experiments that give students clues to solve a mystery. Classes can submit their answers online and be entered in a random drawing for prizes. PhysicsQuest kits are free to registered classrooms and groups. 

Learn More


Air Matters

You can detect the tiny mass of air with materials from around the house


Big O’ Glass of Sunset!

See why the sky is blue and a sunset is orange, all in a glass of milk!

Atomic sizes As the nucleus gains mass by adding protons and neutrons does the size of the nucleus increase into the empty space of the atom or does the innermost orbital move away from the nucleus? Basically, is an atom of Ununoctium larger than an atom of Sodium?
Find out the answer »

Activity Books


spectra10-home    Spectra    Spectra 2     Tesla    Color Me Physics    Color Me Physics