Earthquakes & Volcanoes

Earth's layers move very slowly across Earth's surface on a thin layer of partly melted ______.

What part of a volcano is A pointing to on the diagram? 

The point on Earth's surface right above the focus of an earthquake is the __________. 

What is the name of the instrument that records earthquake waves? 

Which layer of the Earth is made of solid and melted rock? 

Breaks in Earth's crust along which rocks move are called ___________.

What layer of Earth includes land and the ocean floor? 

Shaking of the Earth's crust is called an _________.

What is the name of the underground point where an earthquake first starts? 

Some volcanoes form new ____ as plates move apart and magma rises to the surface of the crust.

Continent-sized slabs that make up the crust and upper mantle are called __________. 

Different kinds of _____ form different kinds of volcanic mountains. 

What is the hottest layer of the Earth? 

California has many earthquakes because there is a large _______ running through the state.

What part of a volcano is C pointing to on the diagram? 

What part of a volcano is B pointing to on the diagram? 

What part of a volcano is E pointing to on the diagram? 

What is the deepest layer of the earth?

Scientists can _____ earthquakes by using seismographs, and the Mercalli and Richter scales. 

What part of a volcano is D pointing to on the diagram?