Geologic history

Geologic history

1. Bombardment

   • When the asteroid hit the planet and created equatos.

2. Geological Time Scale

   • A scale used by scientists that help record the earth's timing . And the relationships but also they are recording what happened to the earth over the years.

3. layers of earth

   • Layers of the Earth The layers of the earth are physically and chemically different,the earth has muptial layers like the crust ,mantle, tection plates ,outer core ,inner core.

4. Stratigraphy

   • he study of the rocks layers.

5. Fossil Record

   • The recording of fossils over time. And how they are decaying and how they fade away after time.

6. Absolute Dating

   • Absolute dating is a radioactive minerals in rocks and the atoms of some of the elements have different forms so it breaks down and is call radioactive decay

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