Volcanoes
Volcanoes
100
What is lava?
Lava is magma that flows out onto Earth's surface.
100
What are active volcanoes?
Active volcanoes are the volcanoes that erupt constantly.
200
What layer of the Earth does the lava from volcanoes come from?
the second layer or the layer of magma
200
what is Ring of Fire?
A area where there are frequent earthquakes and volcanoes.
300
what is this part of the vlocano called? 
the vent
300
Where do most volcanoes occur?
A. along the tectonic plates?
B. they can occur anywhere
C. in the ocean
A. Most volcanoes, like most earthquakes, occur along the boundaries between shifting tectonic plates.
400
What is Magma?
Molten rock beneath the earth's surface.
400
Why does magma rise?
A. it is lighter than the rocks in the volcano
B. magma does not rise
C. the magma gets hot and causes pressure
C. As it gets hot it moves up and the pressure causes an eruption.
500
What is the area called where there are lots of volcanoes?
A. the ring of fire
B. volcano ally
C. there is no area where lots of volcanoes are at.
A. The ring of fire
500
What is the difference between Magma and lava?
A. magma is inside the volcano and lava is outside
B. lava is inside the volcano and magma is outside
C. there is no difference
A. magma is on the inside of the volcano and when it erupts it comes out as lava.