Structure of the Earth: continental drift and convection currents

Question 1

Who came up with the idea of continental drift.

Answer 1

Alfred Wegner

Question 2

What are convection currents?

Answer 2

convection currents are the movement of hot rock to the crust, driven by the heat of the core. When the rock reaches the surface is cools and then drops down again to be hasted and start the process again.

Question 3

What is continental drift?

Answer 3

Continental drift is the idea that the continents of the world are moving, and over millions of years have come to be the way we see them today. It is the idea that the movement of our continents will continue and are driven by convection currents.

Question 4

What evidence do we have to supportive theory of continental drift?

Answer 4

The evidence we have to support the theory of continental drift includes:

• The remains of the same prehistoric animal and plant were found on many different continents.
• The continents also seemed to fit together like a puzzle and had broken off of each other.