Volcano science 6

727 views
531 views

Published on

Published in: Education, Technology
0 Comments
1 Like
Statistics
Notes
  • Be the first to comment

No Downloads
Views
Total views
727
On SlideShare
0
From Embeds
0
Number of Embeds
37
Actions
Shares
0
Downloads
32
Comments
0
Likes
1
Embeds 0
No embeds

No notes for slide

Volcano science 6

  1. 1. Lesson 4 volcanoes & different volcanic activities
  2. 2. Turn your book on page 335!!!!!!
  3. 3. Volcano • Is an opening in the earth’s crust where lava, pyroclasts, and gases are ejected onto the surface during eruptions.
  4. 4. • Calderas – that exceed about 1 km in diameter • formed when the summit of volcano collapses during eruptions.
  5. 5. Kinds of volcano •Shield volcano •Cinder cone volcano •Composite volcano or stratovolcano
  6. 6. Shield volcano
  7. 7. The largest shield volcano
  8. 8. Cinder cone volcano • Is built almost entirely of loose fragments called CINDERS
  9. 9. Composite volcano
  10. 10. According to activity • Active • Dormant • Extinct
  11. 11. Volcanic eruptions • Explosive or violent eruption • Quiet or non – explosive eruption
  12. 12. Thank you!!!

×