Kid Science: Propulsion

Need a fun science activity that teaches air pressure and propulsion that the kids will want to do over and over? This is it!

The steps:

1. Tie string to a hook or post.

2. Pull string taut.

3. Feed string through straw.

4. Blow up balloon.

5. Tape straw to balloon (without letting go).

6. When you’re ready, let go and watch it zoom!