Seashells are skeletons of a class of sea animals called mollusks. People and animals have skeletons inside of their bodies, but mollusks
have their skeletons outside.
Did you know?
• Seashells are made mostly of calcium carbonate.
• Shells help protect sea creatures from other animals and storms.
• Little crabs use shells for homes.
• A person who studies seashells is called conchologist.
How do people use shells?
• People use shells to create jewelry, decorate their houses and clothes.
• Some people use shells as containers for food and water.
1. What are seashells?
2. Where do mollusks have their skeletons?
3. How do crabs use shells?
4. What do people create from shells?
5. What do people keep in shells?

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