How does the temperature change inside earth as you move toward the center of the earth ? Have you ever wondered if you could dig a hole all the way on the other side of the earth ? Unfortunately, there are many reasons that make this impossible. One of these reasons is the extreme heat inside earth. As you move towards the center of the earth, the temperature begins to rise. They very center of the earth is between 5000 and 7000 degrees Celsius!! Much of this heat is energy left over from formation of the Earth. In addition, the decay of radioactive elements adds additional heat . Which claim support the question