Geology 1

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Across
  1. 2. The study of these can help date events in Earth’s history.
  2. 3. Processes This term describes the slow changes in the Earth's surface, such as erosion and sedimentation.
  3. 6. These are remnants or impressions of ancient life found in sedimentary rocks.
  4. 9. The concept that "the present is the key to the past" relates to which principle?
  5. 10. The study of these helps scientists interpret Earth's history and geological events.
Down
  1. 1. This principle states that the same geological processes that operate today also operated in the past. Uniformitarianism
  2. 4. Processes Processes like volcanic eruptions and earthquakes are examples of what?
  3. 5. Layers The order in which sedimentary rocks are layered can tell us about Earth’s history.
  4. 7. These can reveal information about past environments and climate.
  5. 8. Layers A type of rock that forms from the accumulation of sediment.