Page 59 - TOEFL_Basic-2

Practice

A. Read the passage again and underline the key information.

Volcanoes
Geology is the science of the solid matter that makes up the Earth. It looks
at rocks and soils. The Earth is covered in a layer of rock like a crust. This is
called the mantle. In some places, this crust is thin . This is where the molten
rock under the surface, called magma, can escape. Once it reaches the surface,
it explodes through the ground. This climactic event is called an eruption. The
point where this happens is called a volcano.

B. Listen to the lecture and take notes.
Volcanoes
• An opening in the Earth’5 surface that
• The explosions can be
• They can be found
Mountains
• The explosions can cause
• This is because the molten rock
Causes
• Volcanoes can be caused by the movement of
• They can also occur where
• These places are called
Terms
• Volcanoes are called active when
• They are called dormant when
• The are called extinct when

C. Read the prompt.

The professor and the passage give details about volcanoes. Explain how a
volcanic eruption can cause mountains to form

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