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 Lesson 2 1. Earthquake- 1. 2 definitions of volcano- 2. Earthquake belts- 2. Paricutin- o Circum-Pacific belt- 3. Active Volcano- o Alpide belt 4. Dormant Volcano- o Fault- 5. Extinct Volcano- 3. Focus- 6. Lava Dome- 4. Epicenter- 7. Viscous- 5. Earthquake Waves- 8. 3 ways that volcanoes form o Compression- 1. Subduction Zone Volcanoes- o Shear- 2. Rift Zone Volcanoes- o Surface- 3. Hot Spot Volcanoes- 6. Magnitude- 9. Tilt Meter- 7. Richter Scale- 8. Seismograph- 9. Strike-slip Fault/ San Andreas Fault 10. Tsunami- Lesson 3 Lesson 4 1. Magma 1. Lava- 2. Magma Chamber 2. Pyroclasts (Pyroclastic Rock)- 3. Fissure- 3. Pahoehoe- 4. Dike- 4. Aa- 5. Side Vent- 5. Viscosity- 6. Lava- 6. Tube- 7. Conduit- 7. Dust- 8. Main Vent- 8. Ash- 9. Crater- 9. Blocks- 10. Tuff- 10. Bombs- 11. Pyroclastic Flows- 12. Pumice- 13. Obsidian- Lesson 5 - Volcanic Cones and Eruptions Lesson 6 - Hot Spots 1. Three Volcanic Cone Shapes- 1. Hot Spot- o Cinder Cone- 2. Mantle Plume- o Shield Cone- 3. Caldera- o Stratovolcano- 2. Eruption Types- o Icelandic- o Hawaiian- o Strombolian- o Vulcanian- o Pelean- o Plinian- 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 A. gods and goddesses of ancient mythology B. Exact point of origin of an earthquake. Usually found deep under the 2. _____ Focus surface of the Earth. 3. _____ Magnitude C. The point on the surface of the Earth directly above the earthquake. 4. _____ Tsunami D. Long crack in the crust of Earth. 5. _____ Pele, Vulcan, and Kashima E. measure of the strength of an earthquake F. Seismic sea wave caused by an earthquake, hurricane, or underwater 6. _____ Epicenter landslide. 7. _____ Compression-Shear-Surface H. The three types of earthquake waves. 8. _____ Volcano 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 9. _____ Dormant Volcano escape 10._____ Extinct Volcano C. Bowl shaped depression located at the top of the main vent in a volcano 12._____ Magma D. Molten rock found under the surface of the Earth 13._____ Lava E. A volcano that is resting 14._____ Conduit F. Molten rock found under the surface of the Earth 15._____ Crater 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. ___ Lava A. Rough and fragmented lava flows 2. ___ Pahoehoe B. The most explosive eruption type. Ash plumes may reach 50,000 feet. 3. ___ Plinian C. Molten rock on the surface of the Earth 4. ___ Hawaiian D. Large pyroclasts-over 2 inches long with a rounded shape 5. ___ Aa E. Smooth and ropey lava flows 6. ___ Low Viscosity 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 7. ___ Bombs 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.