Volcanoes formation

1. How Volcano is Formed?
Ronelyn V. Valeroso

2. Objectives:
•Explain how the movement of the earth’s
crust cause the formation of volcano
•Describe how a volcano is formed

3. Review about the precautionary measures
before, during and after an earthquake.
• Recall about the interior of the earth. Ask :What evidences show that
the earth’s interior is hot.
• Unlocking of words:
-volcano,magma,lava, crater, vent, magma chamber

4. https://www.google.com.ph/url?sa=i&rct=j&q=&esrc=s&source=images&cd=&cad=rja&uact=8&ved=0ahUKEwjOif-
36KfRAhWEG5QKHfIKDQUQjB0IBg&url=http%3A%2F%2Fwww.slideshare.net%2Fhelen_phillips04%2Flesson-2-
volcanoes&psig=AFQjCNHbkP7lal8JmWOzO6WmEYPVaSXKuQ&ust=1483596115945582

5. https://www.google.com.ph/url?sa=i&rct=j&q=&esrc=s&source=images&cd=&cad=rja&uact=8&ved=0ahUKEwiN07jY6KfRAhVCj5QKHa0nAEIQ
jB0IBg&url=http%3A%2F%2Fwww.slideshare.net%2FGavinMalavolta%2Fvolcanoes-types-structure-and-
effects&psig=AFQjCNHbkP7lal8JmWOzO6WmEYPVaSXKuQ&ust=1483596115945582

6. https://www.google.com.ph/url?sa=i&rct=j&q=&esrc=s&source=images&cd=&cad=rja&uact=8&ved=0ahUKEwi3ob_U6afRAhXJJJQKHeL8DkoQ
jB0IBg&url=http%3A%2F%2Fslideplayer.com%2Fslide%2F263372%2F&psig=AFQjCNGoUv_H7r0LEwCkPPxVqxcq5VMOXQ&ust=1483596425129
224

7. https://www.google.com.ph/url?sa=i&rct=j&q=&esrc=s&source=images&cd=&cad=rja&uact=8&ved=0ahUKEwj_1c-
d3qfRAhXKFZQKHZHuCTgQjB0IBg&url=http%3A%2F%2Fslideplayer.com%2Fslide%2F8791213%2F&psig=AFQjCNEAYBGbCqufCK5PgeZITP5TH32
rcQ&ust=1483593166031779

8. https://www.google.com.ph/search?newwindow=1&biw=1056&bih=505&tbm=isch&sa=1&q=diagram+of+how+volcanoes+are+formed&oq=
Diagram&gs_l=img.1.2.0i67k1l3j0l7.759717.762644.0.765843.7.5.0.2.2.0.167.652.0j5.5.0....0...1c.1.64.img..0.7.657.IgmEjNuHLjQ#imgrc=EZtrNC
xQtEnjtM%3A

9. https://www.google.com.ph/url?sa=i&rct=j&q=&esrc=s&source=images&cd=&cad=rja&uact=8&ved=0ahUKEwjb44rn5afRAhXJOJQKHToVArQ
QjB0IBg&url=http%3A%2F%2Fwww.keyword-
suggestions.com%2FdHJhbnNsYXRlIGhheSB0byBlbmdsaXNo%2F&psig=AFQjCNHRBVjEig4FBODnR719m_YGVQ-CYw&ust=1483595328500111

10. https://www.google.com.ph/url?sa=i&rct=j&q=&esrc=s&source=images&cd=&cad=rja&uact=8&ved=0ahUKEwjsmNqq6qfRAhVKjZQKHUnkAH
sQjB0IBg&url=http%3A%2F%2Fwww.slideshare.net%2Fmyknolasco%2Fparts-of-
volcano&psig=AFQjCNGoUv_H7r0LEwCkPPxVqxcq5VMOXQ&ust=1483596425129224

11. https://www.google.com.ph/url?sa=i&rct=j&q=&esrc=s&source=images&cd=&cad=rja&uact=8&ved=0ahUKEwjx9efX6qfRAhWEn5QKHbw6DL
4QjB0IBg&url=http%3A%2F%2Fslideplayer.com%2Fslide%2F768481%2F&psig=AFQjCNGoUv_H7r0LEwCkPPxVqxcq5VMOXQ&ust=14835964251
29224

12. https://www.google.com.ph/search?q=pictures+of+volcanoes+in+the+philippines&newwindow=1&tbm=isch&imgil=k9mqoBedsn6dmM%253A%253BwJeWdrOAI6THxM%253Bhttps%25253A%25252F%25252Fwww.pinterest.com%25252Fjdcastillo2%252
52Fphilippine-
volcanoes%25252F&source=iu&pf=m&fir=k9mqoBedsn6dmM%253A%252CwJeWdrOAI6THxM%252C_&usg=__JN6WevWjdrCljcHN7K3RHHjZyo8%3D&biw=1280&bih=612&ved=0ahUKEwixlazn2KfRAhUDOJQKHX2bBrIQyjcIMw&ei=h39sWPG1BYPw0AT9tp
qQCw#imgrc=gvFBMFxgFaGLAM%3A

13. How does a volcano differ from a mountain?
https://www.youtube.com/watch?v=R0Zbj7S22zs

14. https://www.google.com.ph/url?sa=i&rct=j&q=&esrc=s&source=images&cd=&cad=rja&uact=8&ved=0ahUKEwjVl8qX36fRAhWGlJQKHYebC7A
QjB0IBg&url=http%3A%2F%2Fwww.ga.gov.au%2Fscientific-
topics%2Fhazards%2Fvolcano%2Fbasics%2Fcauses&psig=AFQjCNEPIKyswgw85ZYuhx2oU5JkAYXPpQ&ust=1483593585221199
Ask what is seen coming out of the volcano.

15. Group Activity:
How volcanoes are formed?
Let them use thier book to gather
information about the formation of a
volcano

17. Draw a diagram of each stage in the formation of a
volcano. Explain what happens in each stage.

18. https://www.google.com.ph/url?sa=i&rct=j&q=&esrc=s&source=images&cd=&cad=rja&uact=8&ved=0ahUKEwjLyMWI56fRAhVJGpQKHTzyB_
MQjB0IBg&url=http%3A%2F%2Fearthsciencevolcanodays.weebly.com%2Fvolcanoes-on-the-scene.html&psig=AFQjCNGq-CWpCNU-
C00CTdOptbqGzFHmsg&ust=1483595583479151

19. https://www.google.com.ph/url?sa=i&rct=j&q=&esrc=s&source=images&cd=&cad=rja&uact=8&ved=0ahUKEwjMt93G5qfRAhXMkZQKHX3oC
WEQjB0IBg&url=http%3A%2F%2Fslideplayer.com%2Fslide%2F6908539%2F&psig=AFQjCNGq-CWpCNU-
C00CTdOptbqGzFHmsg&ust=1483595583479151

20. Mt. Matutum and Mt Holon are active
volcanoes here in South Cotabato. What
do you think people living near these felt
about the volcanoes?
Are you proud of these volcanoes? Why?

21. https://www.youtube.com/watch?v=bwTkTzdkVS4

23. Quiz:
• A.Choose the letter of the correct answer.
• 1.Why is there magmain the interior of the earth?
• 2.What happens when an oceanic plate and a continental plate
moves towards each other?
• 3.Why does rock melt when the oceanic plate plate goes down?
• 4.why does magma rise?
• 5. Where does the magma collect as it rises?
•
• B.Draw a diagram of each stage in the formation of the volcano.