When you follow a recipe, you measure out the amounts of the ingredients that it asks for, like a cup of flour or a teaspoon of grated orange peel. But have you ever heard of measuring units like a "pinch" and a "smidgen?" To learn about these and other wacky measurements, click "Read More" and do the measuring math!

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What parent hasn't heard the "What time is it?" question and its cousin, "How much longer?" Kids can answer their own question by making a paper plate sundial! Our day has 24 hours--the amount of time it takes for the earth to rotate once around its axis.

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