1. Description of the Earth
Shape and size
Layers
Movements

2. The Earth
•Is the third planet of the solar system
•Is the sixth largest planet of the solar system
The Earth is not a perfect sphere
•The equator circumference is about 24,901.55 miles
•The north pole is dilated 10 meters
•The equator is 27km wide.

3. Earth’s orbit: The circumference of the
orbit is approximately 938,900,000km.The
Earth travels along this circumference at a
speed of 106,000 km per hr.

4. Origins of Earthquakes

5. Earths’s rotation
The earths rotate along its axis
it rotates once every 23 hours
56 minutes and 4.1 seconds

6. Crust
Mantle
Inner core
Outer core

7. Origins of Volcanic Eruptions