Earth history and fossil Concepts
Primary
Earth History Concepts
- The Earth changes.
Fossil Concepts
- Fossils are from long ago.
Intermediate
Earth History Concepts
- The Earth has changed considerably over long periods of time.
- Plate tectonics is the movement of large slabs of Earth that floats on molten rock below it.
- Land formations - mountains, plateaus, river basins, deltas,
- Time is measured in 100,000's of years.
Fossil Concepts
- Fossils are created from living organisms.
Middle School
Earth History Concepts
- The Earth's processes we see today, include erosion, movement of lithospheric plates, and changes in atmospheric composition, are similar to those that occurred in the past.
- Earth history is also influenced by occasional catastrophes, such as the impact of an asteroid or comet.
Fossil Concepts
- Fossils provide important evidence of how life and environmental conditions have changed.
Dr. Robert Sweetland's Notes ©