WHAT'S INSIDE: EARTH SCIENCE

Earth Science covers all facets of how the earth works, from from volcanoes to the world's oceans.
  • Geology
  • Geophysics
  • Oceanography
FEATURED: EARTH SCIENCE

Galena, the principal ore of lead. Galena is lead sulfide, a compound of lead and sulfur.

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How Hydrology Works

Without water, Earth would be a barren and lifeless planet. But did you know the Earth's water supply has not increased or decreased for billions of years? No wonder hydrologists are so fascinated by water.

How Archaeology Works

Archaeology is the study of humanity's material remains -- even a piece of an ancient pot can tell us a lot about the past. But how do archaeologists make sense of these relics?

ENVIRONMENTAL SCIENCE: EARTH SCIENCE
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