Watch your head—there’s a stalactite! Oops, don’t trip over the stalagmite! Where are you? In a cave! Scientists who study caves are called speleologists. Most caves are dark, slippery tunnels of…
glacier, Chile Some of the snow on a high mountaintop melts and runs off. But much of it stays all year round. The snow that stays becomes hard and grainy, like salt. As new snow falls each year,…
Cattails grow in marshes, on riverbanks, and near water-filled ditches. Their flowers become fuzzy, brown rods that look and feel like the tip of a cat’s tail. Cattail roots are good to eat. The…
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