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What happens at the plate boundaries? - PowerPoint PPT Presentation

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What happens at the plate boundaries?

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  1. What happens at the plate boundaries?

  2. Homelearning How were the Hawaiian Islands formed? Include diagrams and an explanation. Must be completed in your exercise book Use the following links: http://www.bbc.co.uk/science/earth/surface_and_interior/lava#p00gtrzw

  3. By the end of the lesson: All pupils will be able to explain what happens at 4 different plate boundaries All pupils will take part in a carousal activity All pupils will understand how volcanoes are formed and the different types that exist.

  4. Connector Swap books Read each others homework WWW EBI

  5. A tectonic landform

  6. What are Volcanoes and how are they formed?

  7. What is a volcano? A volcano is an opening or vent in the earth’s surface through which molten material erupts and solidifies as lava. Volcanic vent

  8. Magma chamber Cross section of a volcano Volcanic bombs, ash and gases Crater Parasitic cone Main vent

  9. Do all volcanoes erupt? • Active volcano – liable to erupt e.g. Mt Etna. • Dormant (sleeping) volcano–a volcano which has not erupted for many years. For example, Mt Pinatubo erupted in 1991 after 500 years of dormancy. • Extinct volcano–a volcano which has not erupted for many thousands or millions of years e.g.Edinburgh. However, it is often very difficult to tell whether a volcano will erupt again…El Chichon, Mexico erupted in 1982 after being dormant for approximately 1200 years!

  10. Where are volcanoes found? Around which plate do we find most volcanoes?

  11. Volcano shapes Why do volcanoes have different shapes?

  12. In groups you will go to each station and complete your task sheet. Station 1: Nazca and South America Station 2: Eurasian and North America Station 3: Indian and Eurasian Station 4: North America and Pacific

  13. You will need to complete the plate tectonic sheet and the volcanoes sheet. You will have 10 mins at each station At the end of the lesson you will be asked to present information about what you have learnt.

  14. Help with your homework See slides below

  15. Look at their location on the map below. Why is this an unusual place for them to be located? Hawaii The Hawaiian islands are a chain of volcanoes in the Pacific Ocean.

  16. Hot spot volcanoes In the animation above, why are the volcanoes to the left of the ‘hot spot’ extinct?

  17. Label this cross section of a volcano • Volcanic bombs, ash, lava, gases • Magma chamber • Parasitic cone • Crater • Main vent

  18. To finish Solve the following anagrams. • eonratvces • qaakeehrt • liioonscl • tosevucntri • testcudrevi Which is the odd one out? Why?