oshc activities
Corn Day / Dancing Corn Experiment

Dancing Corn Experiment

Children watch corn kernels rise and fall in fizzy water and explore why.

How to run it

  1. Fill a clear jar with soda water.
  2. Drop in a small handful of corn kernels.
  3. Observe as bubbles lift kernels up and down.
  4. Discuss why bubbles make them rise.

You will need

  • corn kernels
  • soda water
  • clear jar
Make it easier or harderYounger children predict; older children compare liquids.
SafetyCorn kernels are a choking hazard for young children; supervise closely.
My Time Our Place · Outcome 4Observing reactions builds curiosity.

Fits these theme days

Corn DayScience WeekScience DayAfter School Quick STEM

More like this

After School Quick STEM · Science Week · Science Day +3

Cup Tower Book Challenge

Children engineer a tower from cups and card strong enough to hold a book, testing ideas about balance, load and stable bases.

IndoorModerateGrab-and-goPrep to Year 6After School Quick STEM · Science Week · Science Day +2

Twisted Paper Loop Magic

Children make a twisted paper loop, predict what will happen when they cut it, then discover the surprising one-sided shape that results.

IndoorCalmGrab-and-goYears 4 to 6After School Quick STEM · Paper Crafts Day · Challenge Day +2

One-Sheet Paper Chain

Teams try to make the longest possible paper chain from a single sheet, planning how to cut and join strips for maximum length.

IndoorCalmGrab-and-goPrep to Year 6After School Quick STEM · Science Week · Science Day +3

Spaghetti and Tape Tower

Small teams build the tallest free-standing tower they can from dry spaghetti and tape, learning about triangles, bracing and teamwork.

IndoorModerateGrab-and-goYears 4 to 6