Investigating Plate Tectonics

Investigating Plate Tectonics

by Greg Young
     
 

We live on Earth's crust, but there are other layers beneath the crust. They are the mantle and the outer and inner core. In 1915, scientist Alfred Wegener said that about 200 million years ago, Earth once had a single landmass. Hot, molten magma under the surface of the crust pushed the plates apart at a crack in Earth's crust and, eventually, the landmass was

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Overview

We live on Earth's crust, but there are other layers beneath the crust. They are the mantle and the outer and inner core. In 1915, scientist Alfred Wegener said that about 200 million years ago, Earth once had a single landmass. Hot, molten magma under the surface of the crust pushed the plates apart at a crack in Earth's crust and, eventually, the landmass was split apart and continents were formed. Wegener's work led to the study of plate tectonics.

Product Details

ISBN-13:
9780743905596
Publisher:
Teacher Created Materials
Publication date:
09/21/2007
Series:
Science Readers Series
Edition description:
Illustrate
Pages:
32
Sales rank:
886,358
Product dimensions:
6.70(w) x 8.80(h) x 0.30(d)
Lexile:
800L (what's this?)
Age Range:
8 - 9 Years

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