CK-12 Foundation
Ck 12: Earth Science: Earth's Core
[Free Registration/Login may be required to access all resource tools.] Describes the composition of the Earth's core.
American Museum of Natural History
American Museum of Natural History: O Logy: Stuff to Do: Edible Earth
Take a look at the layers that make up our Earth: inner core, outer core, mantle, and crust. Then have fun making a model of the Earth's interior that you can eat up.
US Geological Survey
Usgs: Inside the Earth
This is a website to learn not only about the inner and outer core, but also about the crust and the mantle of the interior of the earth.
The Tech Interactive
The Tech: The Core of the Matter
Use this website as a great introduction to one of the basic parts of the inside of the earth, the core. Also provides a short description and cross-section of the Earth.
Oswego City School District
Regents Exam Prep Center: Earth's Interior
A basic overview of the earth's mantle, crust, inner core, and outer core. Also discusses how earthquake waves travel through the Earth.
Illustrative Mathematics
Illustrative Mathematics: G Mg Toilet Roll
Picture a roll of toilet paper; assume that the paper in the roll is very tightly rolled. Assuming that the paper in the roll is very thin, find a relationship between the thickness of the paper, the inner and outer radii of the roll,...
US Geological Survey
Usgs: The Interior of the Earth
This site provides a detailed discussion of the Earth's interior. Facts about the crust, mantle, and core are given along with diagrams of each. Also presents a table that lists the thickness and types of rock found in each part of the...
Science Struck
Science Struck: The Four Main Layers of the Earth
Gives short descriptions of the crust, mantle, outer core, and inner core.
Science4Fun
Science4 Fun: Composition of the Earth
Provides a discussion of the layers of the earth including the crust, mantle, inner core, and outer core.
Oregon State University
Osu: Volcano World: Layers of the Earth
This is a website not only on the mantle but also about all the layers of the earth.
Purdue University
Purdue University: 3 D Earth Structure Model
Take a journey to the center of the Earth and learn about the structure, material properties, and conditions inside our planet.
Georgia Department of Education
Ga Virtual Learning: Earth Origin, Composition, and Structure
In this lesson, you will learn about how the Earth formed as well as the composition and structural layers of the Earth's interior.
Nine Planets
The Eight Planets: Earth
Excellent Eight Planets site that provides a vast amount of information about planet Earth. Very comprehensive and complete site.
National Geographic
National Geographic: Encyclopedia: Mantle
An in-depth look at the structure and composition of Earth's mantle, with lots of visuals. Covers lithosphere, Mohorovicic discontinuity, asthenosphere, transition zone, lower mantle, the d double-prime region, mantle convection, mantle...
Illustrative Mathematics
Illustrative Mathematics: G Srt, G Mg Seven Circles Iii
In this task, students are shown circle formations where an inner circle is surrounded by a set of circles and all circles are touching. In the first situation, all circles have the same diameter. In the second, the inner circle is...
Other
Moorland School: Earth Science Zone: The Structure of the Earth
Take a look at the Earth from the inside out. This site shows the different layers of the earth with an explanation of the rocks and materials in each layer. Includes a quiz on the structure of Earth.
Treehut
Suzy's World: Earth
At this site from Suzy's World and Suzy Cato, you can find out what the earth is made of and try an experiment.
National Earth Science Teachers Association
Windows to the Universe: Structure of Earth's Interior
Windows to the Universe provides a brief overview of the structure of the interior of Earth.
World Geography Games
World Geography Games: Earth's Layers
Explore the layers of the Earth through this interactive quiz.
Other
Boardworks: The Earth's Structure
The Earth is at your fingertips. Simply click on the piece you are looking for and explore.