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13 terms

Layers of the Earth Vocabulary

Science- Geology Earth History Investigation 1 & 2
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Observation
Information gathered directly by using one or more of the 5 senses: seeing, touching, hearing, tasting and smelling
Inference
A logical conclusion based on observations and past experience.
Geologist
Scientists who studies the Earth.
Crust
Earth's outer layer.
Continent
Large land masses.
Mantle
The Earth's thickest layer; under the crust.
Lithosphere
The Earth's brittle crust and the upper part of the mantle make up this layer.
Asthenosphere
The layer right below the Lithosphere made of a solid, but putty-like material.
Core
The Earth's center. Made of the metals iron and nickel.
Outer Core
Hot liquid metal; flows slowly.
Inner Core
Hot, solid material.
Conduction
Transfer of heat energy through solid matter as one particle strikes another. Heat moves through the core & crust by conduction.
Convection
the transfer of heat energy by flowing material such as liquid or gas. Heat moves through the Earth's mantle by convection and convection currents.

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