The document discusses different types of volcanoes including composite volcanoes and shield volcanoes. It provides details on their structures, tectonic environments, rock types, lava temperatures, lava viscosity, and examples. Key terms related to volcanoes are defined such as lava, pumice, bomb, ash, magma, crater, pyroclasts, shield volcano, and lahar.

1. Volcanoes Parts of a volcano. Types of volcanoes. Composite – Shield volcanoes. Volcano vocabulary.

2. Volcano parts http://www.woodlands-junior.kent.sch.uk/homework/mountains/volcanoparts.html

3. http://www.honda-tech.com/showthread.php?t=2699873&page=2

4. Composite Shield Volcanic structure Steep slope Broad, gentle slope

5. Composite Shield Tectonic environment Convergent b. (subduction zones) Divergent b. + hot spots

6. Composite Shield Rock type andesite basalt

7. Composite Shield Lava temperature 800º C 1100º C

8. Composite Shield Lava viscousity High Low

9. Composite Shield Eruptive style Explosive Quiescent

10. Composite Shield Examples Mt St Helens Mauna Loa (Hawaii)

11. Lava

12. http://vi.sualize.us/view/8f3a44bcfc33726c4d105d3e31e21831/ Molten rock that erupts from a volcano that solidifies as it cools. Lava

13. http://vi.sualize.us/view/119ae4cbc213f8a99f95205f9d613300/ A light, porous, glassy lava, used in solid form as an abrasive and in powdered form as a polish and an abrasive. Pumice

14. A round or pear-shaped mass of volcanic rock, solidified from molten lava that has been thrown into the air Bomb

15. http://vi.sualize.us/view/8f3a44bcfc33726c4d105d3e31e21831/ Fragments of lava or rock smaller than 2 mm in size that are blasted into the air by volcanic explosions. Ash

16. http://vi.sualize.us/view/119ae4cbc213f8a99f95205f9d613300/ Molten rock beneath Earth's surface. Magma

17. Mouth of a volcano - surrounds a volcanic vent. Crater

18. http://vi.sualize.us/view/8f3a44bcfc33726c4d105d3e31e21831/ rocks formed from the solid fragments ejected during a volcanic eruption Pyroclasts

19. http://vi.sualize.us/view/119ae4cbc213f8a99f95205f9d613300/ A broad volcano built up from the repeated nonexplosive eruption of basalt to form a low dome Shield volcano

20. A flow of pyroclastic material mixed with water on the flanks of a volcano Lahar

21. http://www.thefreedictionary.com