Glossary

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Links with the globe icon connects to non-USGS sites. We are happy to provide this link for your convenience. Please be aware that we cannot guarantee the accuracy of non-USGS sites.

Geology

General
USGS Glossary
Geologic Glossary
TerraWeb for Kids Glossary

Volcanoes
Photo Glossary of Volcanic Terms
Volcano and Hydrologic Hazards, Features, and Terminology (Photos)
Seismicity and Volcanology Glossary
Volcanoes Glossary

Earthquakes
Earthquake Glossary
Exploring Earthquakes: On-Line Glossary
Earthquake ABC (for kids and parents)

Paleontology
Paleontology Glossary

Biology

Ecosystem
Pachamama Glossary
South Florida Ecosystem: Kid's Corner Dictionary

Animals
Avian Conservation Biological Terms

Plants
Coastal Wetlands
Northeast Wetland Flora (Illustrated & contain Species List)
Midwestern Wetland Flora (Illustrated & contain Species List)
Southern Wetland Flora (Illustrated & contain Species List)
Western Wetland Flora (Illustrated & contain Species List)
Wyoming Rare Plants (Illustrated & contain Species List)

Insects
Caterpillars of Pacific Northwest Forests and Woodlands (Species Photokey)

Geography

Hydrology

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