What Is Amber?
Amber is the fossil resin of ancient pine trees. On hot, prehistoric days, sticky pine resin oozed from trees and hardened in the air filling internal fissures,...
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How Did the Eskimos Get Their Name?
How Did the Eskimos Get Their Name? The word Eskimo means “eater of raw meat.” Northern Indians originally gave them this name because Eskimos eat some of...
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Why Does the Ocean Look Blue?
Why Does the Ocean Look Blue? The ocean usually appears to be blue. However, sea water, as anyone knows who has splashed about in the surf, is actually colorless. The...
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What Is Chalk?
Chalk is a soft, white limestone. The chemical composition is calcium carbonate with minor amounts of silt and clay. It was formed from the shells that belonged mostly...
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Why Do Sharks Attack People?
Why Do Sharks Attack People? Sometimes sharks attack people by mistake; they actually think they’re biting a fish or a seal. Other attacks happen when humans...
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