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The demonstration/experiment provides quick proof that air has mass.

Learners build a simple one-cell battery and use an ammeter to measure the flow of current.

In this physics activity (page 12 of the PDF), learners explore potential and kinetic energy by rolling different sized marbles down an inclined plane.

In this demonstration/experiment, learners discover that different colors and materials (metals, fabrics, paints) radiate different amounts of energy and therefore, cool at different rates.

In this activity, learners explore how light and dark colored objects absorb the Sun's radiations at different rates.

In this activity, learners use a compass, powerful magnet, and copper magnet wire to build a special generator known as a dynamo.