1. Earth Structure
1) What does this photograph show?

2. The Earth is 4600 million years old.

3. Roll the mouse over the timeline
What happened? When?
Roll the mouse over the timeline to reveal information
Roll the mouse over the timeline

4. (figures are in ‘millions of years ago’)
Mark the following events on your time line.
What do you notice?
First flowers appear – 100 m
India collides with Asia – 50 m
Man (homo sapiens) inhabits the Earth – 0.1 m
Formation of the Alps – 30 m
You were born! – m
Dinosaur extinction – 65 m
Industrial Revolution (UK) m
(figures are in ‘millions of years ago’)
Roll the mouse over the timeline to reveal information

5. Looking into the Earth Looking at it simply we can see the: Crust
Mantle
Core