Some trees have “faces”! You can see them in the fall, if you look closely. When leaves drop off a tree, scars are left. The scars often look like the faces of animals—or even creatures from…
Levers make it easier to lift big and heavy things. They can also help you pick up things you can’t quite reach. This alligator long-arm uses pairs of levers to make other levers move. Use the ruler…
Patriots’ Day By the rude bridge that arched the flood, Their flag to April’s breeze unfurled. Here once the embattled farmers stood, And fired the shot heard round the world. from Concord Hymn by…
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