Structure of the Earth

We can't dig a hole through the Earth, so how do we know about the layers beneath our feet? Scholars learn about layering through hands-on exploration of common materials. They study the characteristics of each layer and apply their...

In this earth's layers worksheet, learners learn about the 3 different layers of the earth: core, mantle and crust. They then use this information to answer the 16 questions in the packet. The answers are all on the last page.

Sal details the chemical and mechanical makeup of the crust, mantle, and core layers of the earth. A strong addition to your geology or earth science lecture.

How is the Earth like an onion? In this video from PBS Digital Studios, viewers first learn the different layers of Earth and their properties. In addition, they hear how these layers came about, starting with the Big Bang theory and the...

Explore the tectonic plates that make up the surface of our Earth and their movement, as well as the terminology of the earth's structure.

The big question is, how do we know about the composition of the earth's core? Sal explains that at 105 degrees from the source point of an earthquake the phenomena of p wave shadow zone leads us to conclude that the waves are traveling...

Can you show the parts of the Earth in less than a minute? This 50-second clip set to classical music, shows a cut away version of the Earth, exposing the inner core, outer core, mantle, and crust. It's short, sweet, and makes for a...

How much do you really know about our planet? Middle schoolers build up their prior knowledge about Earth, its placement in the solar system, its composition, and important geological vocabulary with an introductory earth science lesson.

What lies beyond the ground beneath our feet? Young geologists learn the four main layers of Earth with an engaging puzzle set. The interactive illustrates each layer, and users must place them correctly before they can progress to the...

Eighth graders identify the layers of the Earth's interior, while learning to use WP utilities.