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This activity explores the basic workings of a siphon, which is the core technology that makes toilets work.

In this activity, learners experiment with their voices and noisemakers to understand the connections between vibrations and the sounds created by those vibrations.

Learners explore the Bernoulli effect by building an airfoil (airplane wing) and making it fly.

Learners work in groups to construct bridges using stale marshmallows and toothpicks.

Learners design, build, and test models of "dragon boats" made from up to three milk cartons.

In this engineering design activity, learners will design, test, and build a “haunting machine” to solve a Sherlockian mystery.

In this two-part activity, learners will extract their own DNA from their cheek cells and learn how DNA is analyzed and used to solve crimes.

In this math-based activity, learners will experiment to find how height and angle affect spatter and then use this knowledge to solve a crime.

In this activity, early learners create paintings by making music and rhythm. Learners place paper in cans, add paint-soaked beans (or pebbles) and put the tops on.

In this activity, learners explore a scale by comparing objects, which look similar but have different weights. Learners predict and then measure the weights of various objects using a scale.

This is an activity in which learners explore the effects of gravity, motion and momentum while creating art.