Astronomy Dictionary Learn all about the universe on the web!	Botany Dictionary Plants!	Butterfly Dictionary Learn about butterflies and their amazing life cycle.	Dinosaur and Paleontology Dictionary Hundreds of dinosaurs, fossils, fascinating prehistoric creatures, and paleontology terms.
Geographic Terms Map-making, map projections, landforms and cartographic terms.	Hurricane Glossary Learn terms used when dealing with hurricanes.	Landforms Glossary Terms describing landforms and bodies of water.	1, 2, 3... Math Dictionary An illustrated dictionary of basic math terms.
Rainforest Dictionary Examine the rainforests from A to Z.	River Glossary Terms about rivers.	Rock and Mineral Dictionary Read about rock and mineral terms.	Shark Dictionary Explore the world of these fierce predators.
Tsunami Glossary Terms about tsunamis and their causes.	Volcano Dictionary An illustrated dictionary of volcano terms.	Whale Dictionary Read amazing facts about whales and dolphins.	Hall of Astronomers Read about important astronomers, physicists, and mathematicians who changed our view of the universe.
Dictionary of Paleontologists Some of the major paleontologists, fossil hunters, naturalists, anatomists, and dinosaurologists of all time.

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