HHALLOWEENFIELDGUIDE
Search 21+ on

Classroom GamesNo. 4813 · The 2026 edition

Pumpkin Science Experiments

Turn your pumpkin into a science lab with these hands-on experiments!

Medium

Our own summary of the original — the full post and photos live at littlebinsforlittlehands.com.

Pumpkin Science Experiments - Little Bins for Little Hands
PHOTO · LITTLEBINSFORLITTLEHANDS.COM

These pumpkin science experiments combine fun and learning by exploring chemistry, physics, and biology. From making slime and volcanoes to growing crystals and testing buoyancy, each activity uses real pumpkins to teach scientific concepts in an engaging way.

Directions

  1. Create a pumpkin exploration tray to examine the inside of a pumpkin.
  2. Prepare slime inside a real pumpkin for a gooey experience.
  3. Construct a pumpkin volcano with baking soda and vinegar.
  4. Watch a pumpkin rot over time using the Pumpkin Jack experiment.
  5. Mix pumpkin oobleck, a non-Newtonian fluid from just two ingredients.
  6. Discover whether pumpkins sink or float and identify pumpkin parts.
  7. Grow crystals on pumpkins with a borax crystal experiment.
  8. Check buoyancy with miniature pumpkins and other autumn objects.
  9. Build a pumpkin-powered clock using a potato clock kit.

Open the original on littlebinsforlittlehands.com