1 / 12

CHAPTER 6: EARTHQUAKES AND VOLCANOES

CHAPTER 6: EARTHQUAKES AND VOLCANOES. Lesson 2 : VOLCANOES. ??. Essential Questions. How do volcanoes form ? What factors contribute to the eruption style of a volcano ? How are volcanoes classified ?. Vocabulary. Volcano Magma Lava Hot spot Shield volcano Composite volcano

aulani
Télécharger la présentation

CHAPTER 6: EARTHQUAKES AND VOLCANOES

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. CHAPTER 6: EARTHQUAKES AND VOLCANOES

  2. Lesson2: VOLCANOES

  3. ?? EssentialQuestions • How do volcanoesform? • Whatfactorscontributetotheeruptionstyle of a volcano? • How are volcanoesclassified?

  4. Vocabulary • Volcano • Magma • Lava • Hot spot • Shieldvolcano • Compositevolcano • Cindercone • Volcanicash • Viscosity

  5. Whatis a Volcano? • Volcanois a vent in Earth’scrustthroughwhichmelted -ormolten- rock flows. Molten rock belowEarth’ssurfaceiscalledmagma

  6. How do volcanoes form? • Convergent Boundaries • Molten rock that erupts onto Earth’s surface is called lava • Divergent Boundaries • Hot spots • Volcanoes that are not associated with plate boundaries are called hot spots

  7. Where do volcanoes form? • The Ring of Fire

  8. Where do volcanoes form? • Volcanoes in the United States

  9. Types of Volcanoes • Shield volcanoes • Common along divergent plate boundaries and hot spots. Are large with gentle slopes • Composite volcanoes • Large, steep-sided volcanoes that result from explosive eruptions • Cinder volcanoes • Small, steep-sided volcanoes

  10. Volcanic Eruptions • Eruption Style • Magma Chemistry • Dissolved Gases • Effects of Volcanic Eruptions • Lava Flows • Ash Fall • Mudflows • Pyroclastic Volcanic Eryptions • Predicting Volcanic Eruptions

  11. Volcanic Eruptions and Climate Change

  12. Homework • Textbook: Page 211#1-8 • Workbook: Chapter 6 • Writedownquestion and answer

More Related