Why Does the Earth Have Layers? | It's Okay to Be Smart

PBS Learning Media
Contributed By
PBS Learning Media
Resource Type
Classroom Material
Keywords
PBS Digital Studios It's Okay to Be Smart Joe Hanson earth planets layers magma crust mantle core inner core outer core lithosphere mesosphere astenosphere surface processes density formation of the universe origin of the universe heavy elements iron stars formation solar system protoplanetary disk planetary differentiation seismic activity seismic shadows solar wind atmosphere magnetic shield earthquakes Carl Sagan
Subjects
Science
Grade Levels
Grade 6 Grade 7 Grade 8 Grade 9 Grade 10 Grade 11 Grade 12
Related Resources

Why Does the Earth Have Layers? | It's Okay to Be Smart

…or why we live on an onion made of magma
Publisher
PBS Learning Media

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