What Is Earth's Tilt? It's a well-known fact that Earth's axis is tilted at an angle of about 23.5 degrees, which is a reason why we get to experience all the seasons. This tilt determines how ...

A new, detailed probe of Earth's heart reveals that the rotating inner core doesn't just change in rotation speed – it also appears to change in shape, with subtle variations appearing in the way ...

They could take photographs and discuss what happened to the shadows and why. A globe and torch could be used to represent Earth and the Sun to help with explanations.

This is the basic principle that allows electric motors and generators to operate. In the Earth (see image below right), the liquid metal that makes up the outer core passes through a magnetic ...