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What keeps bubbles and other things, like airplanes, floating or flying in the air?

Everybody loves bubbles, and this is the best bubble recipe ever!

How do you measure a bubble when it's floating? You can't really, but in this activity, learners can measure the diameter of the ring of suds a bubble leaves on a flat surface.

In this activity, learners will be making the opposite of a bubble, an anti bubble! This low start up activity is fun, informative, and best of all-a little messy!

In this experiment, learners use JOY liquid detergent and glycerin to make the largest bubble they can that lasts 15 seconds.

In this engineering design challenge, learners make a bubble maze that allows bubbles to move through a series of “on” and “off” switches.

Learners use a commercially available toy to experiment with density. They fill a chamber in the toy submarine with baking powder and release it into a tank of water.

In this activity, learners will explore density and it's relationship with mass.

In this activity, learners will explore acid-base reactions and create their own bubbly results.

This is a highly visual demonstration that illustrates both the effects of density and chemical reactions.