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Introduction: For a unit on marine life, show students pictures (or if you have them, the real thing) of seashells, starfish, and sand dollars. Have a brief discussion about these types of marine life and how these shells carry live organisms. Then read the following poem.
Sand Dollar by Barbara Esbensen
What can we buy with this loose money?
It spilled from the green silk pocket of the sea a white coin tossed up a careless gift wet shining at the water's edge
Who can break a dollar?
What a bargain? Five white doves ready to fly to your hand
Sea Change!
Extension: Explain that a sand dollar is an animal that if you break open the shell, you can shake out five white doves and when the animal was alive, these dove-shaped pieces were the animal's teeth. Read the poem again. Next have the students create their own sand dollars from clay. Have them include the etching which is on the outside of the sand dollar. |
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