Terms and Definitions
Here are some basic terms used in the tour. At the bottom of each page in the tour is a short list of terms used on that page and their definitions. Find more science terms in the Kids' Cosmos Field Trip to Mars Glossary.
Return to any Field Trip to Mars page by clicking below.
- Uniformitarian Principle
- A concept proposing that all geological features were formed just as features are formed today. Sudden events like volcanoes, earthquakes, floods and asteroid hits are not to be considered when describing how features are formed. Also, Uniformitarianism.
- Layers of light and dark sediment on the floor of a glacial lake. Each light and dark pair indicates a year since light deposits are from rock dust from melting ice in summer and dark layers are from organic matter.
- An opening at the surface where magma, gas and steam erupt.
- A vent at the surface where magma, gas and steam erupt. Also, the landform constructed by volcanic material.
Kids' Cosmos… Expanding Minds Beyond the Limits of the Universe
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