Activity
Perkins School for the Blind

The Three Basic States (Phases) of Matter

For Teachers 4th - 8th
There are three basic states of matter: Solid, liquid, and gas. Help your learners with visual impairments to understand the chemical nature of each state of matter with tactile elements. Marbles are used to model the particles in each...
Activity
Exploratorium

Bubble Suspension

For Teachers 5th - 9th
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...
Activity
American Chemical Society

A Dissolving Challenge

For Teachers 3rd - 8th
After collecting carbon dioxide bubbles from a cup of club soda, learners attempt to make their own lemon soda while preventing the loss of carbonation. They do so by creating a syrup before mixing the substances into the club soda....