Physical Science 3-7

1. Physical Science 3-7 Volcanoes

2. Old work to turn in for credit • Handout given last Friday • 12 questions on rocks/minerals /rock cycle Handout on movie Completed Monday-Tuesday

3. New homework • Read pages 714-717 • Try problems 2,3 and 7 on pg 717

4. Volcanoes • Definition • Location Are all volcanoes equally dangerous?

6. Types of Volcanoes • Shield Volcanoes • Composite Volcanoes • Cinder Volcanoes

7. Hazards of volcanoes Ash Fall Pyroclastic Flows (Nuee Ardentes) Mud Flows (Lahars)

8. Pyroclastic flow

9. Lahars

10. Hazards • Volcanic Bombs • Gas Clouds • Lava flows

11. Volcanic Bombs

12. Volcanic Hazards • Tsunamis • Climate change • Additional issues

13. Tsunami

14. Long-term volcanic benefits • Fertile soil • Volcanic products • Pumice • Sulfur • Diamonds • Metamorphic ore

15. Parts of a volcano • Vent • Magma Chamber • Cone • Caldera/crater

17. Geologic features on/near volcanoes • Fumaroles • Geysers • Hot springs • Mud Pots

18. Fumarole

19. Geyser

20. Hot Springs

21. Mud Pots