Children are naturally curious about the world around them. They ask tons of questions. One of the best ways to engage that curiosity is with hands-on activities and experimentation, like learning about melting wax through a crayon art project, or making a history timeline to put the past into perspective. Laboratory investigations, on the other hand, can be intimidating, but they are worth the time and effort.
One of the challenges of science is that so much of our world is microscopic, and it is hard to study what we cannot see. Our bodies are composed of millions of tiny cells. Molecules travel across cell membranes. But how do we know that? Have you ever observed osmosis, when water travels from an area of high concentration to an area of low concentration? Although you cannot see the water molecules traveling, you can infer that they do from what happens to a gummy bear left in water.
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