Humans
Changes over time
Rocks and Minerals
200

Waragamba Dam.

What is an example of human built change to a natural environment?

200

Fossils

What are buried plant or animal parts compressed into mud or rock over thousands of years called?

300

Weathering.

What is it called when rock is broken down by wind, water, plants or ice?

400

All examples of the human impact on the Earth's surface.

What do building projects, recreational sports parks like mountain bike trails, mining, dams and dredging have in common?

400

Erosion

When weathered rock is moved to another location what is this called?

400

Evidence of what life was like and how the Earth has changed.

What do fossils show us?
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