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Section 4 Volcanic Landforms

Section 4 Volcanic Landforms. Guided Reading and Study. Cinder Cone. Composite. Calderas. Soils from Lava & Ash. Volcanic Necks. Dikes and Sills. Batholiths. Volcanic Landforms continued. Geysers. Landforms from Lava and Ash. List four landforms created from lava and ash.

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Section 4 Volcanic Landforms

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  1. Section 4 Volcanic Landforms Guided Reading and Study

  2. Cinder Cone Composite Calderas Soils from Lava & Ash Volcanic Necks Dikes and Sills Batholiths

  3. Volcanic Landforms continued Geysers

  4. Landforms from Lava and Ash List four landforms created from lava and ash. • Shield Volcanoes • Cinder Cone Volcanoes • Composite Volcanoes • Lava Plateaus • Calderas • Soil from lava and ash

  5. 2. Circle the letter of each sentence that is true about shield volcanoes. • They form from many thin layers of lava. • They result from quiet eruptions. • They are very steep mountains. • They are formed from ash, cinders, and bombs.

  6. 3. Is the following sentence true or false?The Hawaiian Islands are cinder cone volcanoes. False • Name two examples of composite volcanoes. Mount Fuji in Japan Mount St. Helens in Washington State

  7. Is the following sentence true or false? A composite volcano has both quiet and explosive eruption. True

  8. Match the landform with its description • High, level area formed by reapeated lava flows • Mountain formed by lava flows alternating with explosive eruptions • Cone-shaped mountain formed from ash, cinders, and bombs • Hole left by the collapse of a volcanic mountain • Gently sloping mountain formed by repeated lava flows Landform e ___ 6. shield volcano ___ 7. cinder volcano ___ 8. composite volcano ___ 9. lava plateau ___ 10. caldera c b a d 11. When volcanic ash breaks down, it releases __________ and __________, both of which are needed by plants. potassium phosphorus

  9. Landforms formed by magma 12. List five features formed by magma. • Volcanic Necks • Dikes • Sills • Batholiths • Dome Mountains

  10. 13. Complete the Venn diagram using the following phrases: forms from magma, forms across rock layers, forms between rock layers Dike Sill Forms across layers Forms between rock layers Forms from magma

  11. A mass of rock formed when a large body of magma cools inside the crust is called an _______________. • What is an example of a batholith in the United States? batholith Half Dome in Yosemite National Park, California

  12. Is the following true or false? A dome mountain forms when rising magma is blocked by horizontal layers of rock. TRUE

  13. Geothermal Activity Is the following true or false? Some types of volcanic activity do not involve the eruption of lava. TRUE

  14. When groundwater heated by a nearby body of magma rises to the surface and collects in a natural pool, it is called a(n) ____________. 19. A fountain of water and steam that erupts from the ground is referred to as a(n) ____________. hot spring geyser

  15. How can geothermal energy be converted to electricity? Steam from underground is piped into turbines. Inside a turbine, the steam spins a wheel. The moving wheel in the turbine turns a generator that changes the energy of motion into electrical energy.

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