The Composition of The Earth
Science: KS3, topic 2.5.1
The Composition of The Earth
The Earth is composed primarily of several different elements.
Structure of the Earth
- The Earth is made up of 4 layers:
- The crust.
- The mantle.
- The outer core.
- The inner core.
Composition of the Earth
- The Earth is made of the following elements:
- Iron 32%
- Oxygen 30%
- Silicon 15%
- Magnesium 14%
- Sulphur 3%
- Nickel 2%
- Calcium 1%
- Aluminium 1%
- Other elements 2%
Test yourself on The Composition of The Earth
Elements in the Earth's crust
Which of these is NOT found in the Earth's crust?
Select the true statement about each pair of elements in the Earth
Name the four layers that make up the Earth