What Kinds of Foods Should Children Avoid at After-school Snack Time?
What Kinds of Foods Should Children Avoid at After-school Snack Time? While nutritionists agree that after-school snacks can be a good way t
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Energy
Where Does the Wax Go When a Candle Burns?
Where Does the Wax Go When a Candle Burns? The wax that doesn’t drip down the side of a burning candle turns into a gas that produces the br
Why Do We See Lightning Before We Hear Thunder?
Why Do We See Lightning Before We Hear Thunder? Lightning usually reaches our eyes before thunder reaches our ears because light travels fas
Who Steers a Train?
Believe it or not, nobody steers a train. The wheels of a train and its rails work together to steer the train. The wheels of a train have a
What Causes the Change of Seasons?
What Causes the Change of Seasons? The movement of the Earth around the sun causes the seasons. The Earth is tipped slightly as it moves alo