Science Sunday – Earth’s Geology

Earth, Globe, Layer, Soil, Rocks, Crust, Mantle, InnerScience Sunday: Earth’s Geology

The Earth is fascinating! Although scientists have only dug about 8 miles beneath the surface (within Earth’s outer layer called the “crust”), we know that there are layers of molten rock far beneath us and also a solid metal core in the center of our planet. Rock formation, earthquakes & volcanoes, and geothermal energy are just a few of the interesting geology topics we can learn about.

See if you can answer these questions using the resources below:

  1. What is the difference between igneous, metamorphic, and sedimentary rocks?
  2. Describe the similarities and differences between the various layers of the Earth. 
  3. Explain what geothermal energy is and describe how geothermal energy can be used to create electricity. Why should governments consider using more geothermal energy sources? 
  4. Name at least three volcanoes in the United States. Which states have the most volcanoes? 

Read About It

Structure and layers of the Earth:

How Geothermal Energy works: 

Types of Rocks: 

Volcanoes: Did you know that there are 161 potentially active volcanoes in the United States??

Play & Learn

Building & Crafts



Fun Activities  (coloring pages, word searches, etc.)

Learning Worksheets: 

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File:Mayon Volcano Eruption 4.jpg 


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