ESS.1 Flashcard Review

Front

What is the rigid outer part of the Earth, consisting of the crust and upper mantle?

Back

Lithosphere

Front

What is the upper layer of Earth's mantle that bends like plastic?

Back

Asthenosphere

Front

What is the seismic wave that can travel through liquids and is faster?

Back

P wave

Front

Why does the core produce heat?

Back

Radioactive elements in the core decay and produce heat.

Front

What is the Earth's outer core made of?

Back

Liquid iron and nickel.

Front

What is the layer of the Earth that is solid and includes the crust?

Back

Lithosphere

Front

What is the layer of the Earth that lies beneath the lithosphere and is semi-fluid?

Back

Asthenosphere

Front

What type of seismic wave cannot travel through liquids?

Back

S wave.

Front

What is the primary reason for the heat in the Earth's core?

Back

Radioactive decay of elements.

Front

What are the two main components of the Earth's outer core?

Back

Iron and nickel.