TEACHERS
GALLERY
PRICING
SIGN IN
TRY ZURU
GET STARTED
Loop
Audio
Interval:
5s
10s
15s
20s
60s
Play
1 of 6
Slide Notes
Download
Go Live
New! Free Haiku Deck for PowerPoint Add-In
Volcanoes
Share
Copy
Download
0
135
Published on Nov 26, 2015
No Description
View Outline
MORE DECKS TO EXPLORE
PRESENTATION OUTLINE
1.
VOLCANOES
What is a volcano? It is a hill that has an open hole where there is pressure that pushes magma up and out.
Photo by
Great Beyond
2.
HOW A VOLCANO WORKS?
The manga chamber is the stomach of the volcano.The pressure from under pushes the magma up into the throat of the volcano.
Photo by
pierre c. 38
3.
WHY DOES A VOLCANO ERUPT?
Volcanoes erupt because density and pressure that rises like air bubbles in syrup. The magma pushes against the rocks causing the rocks to crack. There is still pressure which pushes to the cap of the volcano. This causes it to erupt.
Photo by
gnuckx
4.
WHERE DOES IT HAPPEN?
They occur around the tectonic plates. They don't occur often in Australia. There are only 1 to 2 per year worldwide. They are not very common.
Photo by
shoebappa
5.
FUN FACTA ABOUT VOLCANOES
Volcanoes erupt because of magma escaping from beneath the Earth's crust.
Volcanoes can be active, dormant, or extinct.
Volcanoes can grow quickly.
There are 20 volcanoes erupting right now.
They are very dangerous.
The tallest volcano in the solar system isn't on earth.
Photo by
Giorgio Galeotti
6.
THR END
Photo by
SkyTruth
kjirsten Anderson
×
Error!