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Learners observe two joined glass tubes containing a conductive salt solution. Electrodes are passing an electric current through the water.

This is an educator-led demonstration of microarray technology using a model created from a pizza box and ping-pong balls.

Using recycled materials, learners will design a transportation vehicle to carry an egg in an egg toss (a rudimentary model of a shock absorbent transport vessel).

In this activity, learners build a model of a self-sustaining habitat (growing grass and beans from seeds).