Exploratorium
Bubble Suspension
Create a cushion of carbon dioxide gas to float some soap bubbles on. Many concepts can be demonstrated through this activity:
Carbon dioxide gas is more dense than air
Bubbles are semipermeable, allowing only carbon dioxide to diffuse...
Exploratorium
Hand Battery
Get hands-on in your physical science class by having learners conduct electricity with their own hands! By placing one hand on each of two different metals, a current can be generated and measured on a microammeter. Make an experiement...
What affects Frog metamorphosis?
In this lab, students explore pollutants which affect frog metamorphosis using household pollutants (vinegar, oil, and bleach) and sponge capsules.
Exploratorium
Bubble Tray
Create jumbo bubbles and use them to teach about surface tension or interference, perfect for a physical science lesson on light or molecular attraction.
Science Buddies
Science Buddies: Potions and Lotions: Lessons in Cosmetic Chemistry
Did you know that cosmetic companies employ teams of specialized chemists to develop and test each new line of make up, perfume, lotion, or soap? Here's a project that lets you be the cosmetic chemist. It shows you how to manufacture...