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Science fair project that examines how temperature affects density and how density in turn affects the behavior of helium gas.

Get estimating with this spooky activity that asks your young mathematician to rely on their problem-solving skills to figure out how many items they believe are in spooky Halloween jars!

For your budding first grade scientist, all you need is some simple, natural materials to create an amazing ant farm. Here's how to get started.

In this activity, have your second grader practice measuring by finding the height, weight, and length of their most treasured toy!