Balloon Rocket

Thread a string through a straw, tape a balloon to the straw, inflate and release to see it zoom.

STEM
AgeAges 5–12
Duration20 min
DifficultyEasy
CostFree
LocationBoth

Educational Value

Demonstrates thrust and Newton's third law.

Materials Needed

Prep progress

Step-by-Step Instructions

  1. 1

    Tie string between two points.

  2. 2

    Thread straw onto the string.

  3. 3

    Tape an inflated balloon to the straw.

  4. 4

    Release and watch the rocket go.

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