How is a book bound?
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How do arctic animals stay warm in icy water?
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How does the circulatory system of a seahorse work?
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Why does hair go gray as people age?
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Would you live by a volcano?
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Will you follow the sign?
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What should this man do to stay safe?
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What is happening in this picture? How do you know?
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This is an electrical storm. What does that mean?
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What sport are these boys playing? How do you know?
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What creates a rainbow?
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What are the rules?
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What’s it like to be a soccer goalie?
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What are the rules for playing volleyball?
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What are the rules for playing lacrosse?
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