Quiz & Worksheet - Volcanoes Formation & Why They Erupt

Instructions:

Choose an answer and hit 'next'. You will receive your score and answers at the end.

question 1 of 3

Which of the following statements is FALSE concerning volcanoes?

They are vents in the earth's crust through which lava, rock fragments, hot vapor and gases are ejected

They only occur on land, not underwater

Their name originated from stories of Vulcan, who was the blacksmith for the Roman gods

Many active volcanoes occur due to plate tectonics

All of the answers are true

Worksheet

Print What is a Volcano? - Definition & Eruptions Worksheet

1. Which of the following terms is used to describe hot molten rock from deep within the earth?

Lava
Magma
Core lava
Cinders
Debris flow

2. Which of the following is a TRUE statement?

Magma rises to the earth's crust and is expelled when pressure builds because of expanding steam and gases associated with the magma.
Magma cools as it rises toward the surface of the earth, losing much of its heat before being expelled as solid lava
Magma is found both inside and outside of a volcano
Volcanoes can be found under the oceans, but they cannot erupt
All of the answers are false

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About This Quiz & Worksheet

This quiz/worksheet combo will test your understanding of volcanoes. Some things you'll be assessed on include the term for hot molten rock from deep within the earth and volcano classifications.

Quiz & Worksheet Goals

In these assessments you'll be tested on the following:

Term for a volcano that has not erupted in the past 10,000 years, but has the potential to erupt in the future
Name given to an area of the Pacific Ocean Basin that is tectonically active
Characteristics of magma

Skills Practiced

Information recall - access the knowledge you've gained regarding volcano formations
Knowledge application - use your knowledge to identify a tectonically active area in the Pacific Ocean Basin
Interpreting information - verify that you can read information on volcano classifications and interpret it correctly