Space Plastics
Plastic bags take about 450 years to decompose! That is a long time to wait while they take up space in a landfill, which is why many stores no longer …
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SciGirls
Parachute Parade Skydivers rely on parachutes to slow them down as they fall from frightening heights. Parachutes catch air and create drag, a force that works against gravity. Parachutes are …
Surface Tension Bath Toy
Have you ever seen bugs that can walk on water? Learn how surface tension allows bugs to walk on water and create your own toy raft that will not sink …
Need For Speed
How fast can you make your car go?! Design a paper towel roll vehicle and observe the forces needed to power your car. Does your car move faster or slower …