How do we know there is air all around us if we can't see it? Is it possible for air to make something move? Does air have a smell or a taste? What kinds of things are in air? Can air be hot… More →
Experiments & Projects
17 records found. Displaying 1 - 12.
A fast-flapping bird zooms through the sky. A tired turtle creeps along at a slow, lazy pace. Forces in motion are around us everywhere! They make things move at every speed. Explore science… More →
How do we know if a substance is a liquid? What properties make an object a solid? How do liquids and solids behave? And can we change their properties by heating or cooling them? Using… More →
A big push can help your sister reach new heights on the swing, and a helpful hand can pull her up if she falls. Forces in motion are everywhere. They make things move with a tugging pull or… More →