VOLCANO ONLINE TUTORIALS
Type in each of the following links. Continue pressing the “next” button until you reach the end of the lesson and complete
the questions on a separate sheet of paper (Questions are listed below as well as online). Then complete the attached
review test.
LESSONS
Lesson #1 – The Rolling Earth
http://volcano.und.edu/vwdocs/vwlessons/lessons/Rolling_earth/Rolling_earth1.html
Lesson #2 – Volcanoes
http://volcano.und.edu/vwdocs/vwlessons/lessons/Volcanoes/Volcanoes1.html
Lesson #3 – Volcanic Terms
http://volcano.und.edu/vwdocs/vwlessons/lessons/Volcanic_Terms/Volcanic_Terms1.html
Lesson #4 – Lava Flows & Pyroclasts
http://volcano.und.edu/vwdocs/vwlessons/lessons/Lava_Flows/Lava_Flows1.html
Lesson #5 – Volcanic Cones and Eruptions
http://volcano.und.edu/vwdocs/vwlessons/lessons/Cones/Cones1.html
Lesson #6 – Hot Spot Volcanoes
http://volcano.und.edu/vwdocs/vwlessons/lessons/Hot_Spot/Hot_Spot1.html
REVIEW QUESTIONS
The following questions can be found at the end of each of the above lessons. Use the above
lessons to locate the answers.
Lesson #1
1. How are earthquake waves produced?
2. What does a Richter Scale show?
3. What are the differences between compression, shear, and surface waves?
Lesson #2
1. At what type of plate boundaries do volcanoes form?
2. What are the two definitions for the term volcano.
3. Write definitions in your own word for the following terms:
a) Active Volcano
b) Dormant Volcano
c) Extinct Volcano
Lesson #3
Label the following parts of a volcano.
A.
D.
B.
E.
C.
F.
Lesson #4
1. Describe pahoehoe and aa lava flows.
2. What is a pyroclast and how do they form?
3. Write a definiton for the following;
1. High viscosity
2. Low viscosity
Lesson #5
1. Name the six eruption types and the three cone shapes.
2. Describe how a: Shield cone form Cinder cone forms Stratovolcano forms
3. Draw diagrams to represent the six eruption types.
Lesson #6
1. What is a Hot Spot?
2. How does and hot spot form?
3. How does a caldera form?
DEFINE THE FOLLOWING TERMS
Lesson 1- Earthquakes
1. Earthquake2. Earthquake beltso Circum-Pacific belto Alpide belt
o Fault3. Focus4. Epicenter5. Earthquake Waveso Compressiono Shearo Surface6. Magnitude7. Richter Scale8. Seismograph9. Strike-slip Fault/ San Andreas Fault
10. TsunamiLesson 3
1. Magma
2. Magma Chamber
3. Fissure4. Dike5. Side Vent6. Lava7. Conduit8. Main Vent9. Crater10. Tuff-
Lesson 5 - Volcanic Cones and Eruptions
1. Three Volcanic Cone Shapeso Cinder Coneo Shield Coneo Stratovolcano2. Eruption Typeso Icelandico Hawaiiano Stromboliano Vulcaniano Peleano Plinian-
Lesson 2
1. 2 definitions of volcano2. Paricutin3. Active Volcano4. Dormant Volcano5. Extinct Volcano6. Lava Dome7. Viscous8. 3 ways that volcanoes form
1. Subduction Zone Volcanoes2. Rift Zone Volcanoes3. Hot Spot Volcanoes9. Tilt Meter-
Lesson 4
1. Lava2. Pyroclasts (Pyroclastic Rock)3. Pahoehoe4. Aa5. Viscosity6. Tube7. Dust8. Ash9. Blocks10. Bombs11. Pyroclastic Flows12. Pumice13. ObsidianLesson 6 - Hot Spots
1. Hot Spot2. Mantle Plume3. Caldera-
VOLCANO LESSON PRACTICE TEST
Lessons 1, 2, 3
1. What is a Tsunami?
2. Explain the difference between a focus and an epicenter.
3. Name the three types of earthquake waves.
4. What is magnitude and how is it related to the Richter Scale?
5. What is a fault?
6. What are the two definitions for a volcano?
7. What is the difference between active, dormant, and extinct
volcanoes.
8. What is the difference between magma and lava?
9. Label the following diagram.
A._____
D._____
B._____
E._____
C._____
F._____
10. Name and describe the 3 ways that volcanoes form.
11. What causes earthquakes to occur?
12. Where do the majority of earthquakes occur?
13. What causes volcanoes to grow larger?
1. _____
Fault
2. _____
Focus
3. _____
4. _____
5. _____
Magnitude
Tsunami
Pele, Vulcan, and Kashima
6. _____
Epicenter
7. _____ Compression-Shear-Surface
8. _____ Volcano
9. _____
Dormant Volcano
10._____
12._____
13._____
14._____
15._____
Extinct Volcano
Magma
Lava
Conduit
Crater
A. gods and goddesses of ancient mythology
B. Exact point of origin of an earthquake. Usually found deep under the
surface of the Earth.
C. The point on the surface of the Earth directly above the earthquake.
D. Long crack in the crust of Earth.
E. measure of the strength of an earthquake
F. Seismic sea wave caused by an earthquake, hurricane, or underwater
landslide.
H. The three types of earthquake waves.
A. A volcano that has not erupted in recorded time and is not considered to do
B. An opening in the surface of the Earth in which molten rock and gas can
escape
C. Bowl shaped depression located at the top of the main vent in a volcano
D. Molten rock found under the surface of the Earth
E. A volcano that is resting
F. Molten rock found under the surface of the Earth
G. The main passageway for magma in a volcano
16-21. Name the three ways that volcanoes form and describe the process of formation for each.
19. Why do earthquakes occur?
20. Where do most of the world's earthquakes occur?
21. How does a volcano grow larger?
LESSONS 4, 5, 6
1. What is lava?
2. Name the two smallest particles of pyroclastic material.
3. Name the two largest particles of pyroclastic material.
4. What is a pyroclastic flow?
5. What is the difference between pahoehoe and aa lava flows?
6. What is the difference between high and low viscosity magma?
7. How does a lava tube form?
8. Name the two reasons that volcanic eruptions occur?
9-14. Draw the three volcanic cone shapes and label each.
15-16. What are the two most non-explosive eruption types?
17-18. What are the two most explosive eruption types?
19. What is a hot spot? Use the term mantle plume in your definition.
20. What is a caldera?
21. How does a caldera form?
MATCHING
1. ___
2. ___
3. ___
4. ___
5. ___
6. ___
Lava
Pahoehoe
Plinian
Hawaiian
Aa
Low Viscosity
7. ___ Bombs
A. Rough and fragmented lava flows
B. The most explosive eruption type. Ash plumes may reach 50,000 feet.
C. Molten rock on the surface of the Earth
D. Large pyroclasts-over 2 inches long with a rounded shape
E. Smooth and ropey lava flows
F. Thin and runny magma that usually erupts quietly with large amounts of lava.
G. Eruption type in which thin and runny magma reaches the surface of the Earth
through the main vent and fissures.
8-9. Name two reasons that volcanic eruptions occur.
10-15. Name and draw the three kinds of volcanic cones.
16. What is a hot spot?
Fill in the blank with the correct answer. Use the following words to complete the blanks.
Dust, Lava Tube, Mantle Plume, Ash, Caldera, Pyroclastic Flow, Blocks.
17. A large rough edged, angular pyroclast that is ejected during a volcanic eruption is called a ___________.
18. A____________ is a bowl-shaped depression caused by a volcanic eruption in which the top of the
volcano collapses.
19. The smallest of the pyroclasts are called ___________. They may stay in the atmosphere for years.
20. A ____________________ forms when the surface of the lava cools and hardens, while the molten interior
flows through and drains away.
21. __________________ is the second smallest pyroclast. This material along with lava builds
stratovolcanoes larger with repeated eruptions.
22. A ____________________ is very hot, solid rock that rises through the mantle and will become magma as
it reaches the surface of the Earth. They form hot spots.
23. A_________________________ is a very hot, twirling mixture of ash, small pieces of pumice and other
pyroclasts that are heavier than air and move down a volcano at high rates of speed.