What shape is a volcano
cone shaped
What to plates do at a convergent boundary?
What is collide
What is magma called when it is on the earth's crust?
How many types of volcanoes are there?
What are four.
What three things do volcanoes expel?
gasses, ash, and lava
What do plates do at a divergent boundary?
What is divide
What kind of rock is formed when lava cools and hardens?
Igneous rock
What is a volcano called that hasn't erupted in 100,000 years?
inactive or dormant
What is molten rock that is under the earth's surface?
magma
What is the difference between magma and lava?
Lava is above ground, magma is bellow the surface
What are the two types of igneous rock?
Extrusive and intrusion
What is a hot spot?
Hot part in the crust
What is the weak part of the volcano where the lava comes out?
crater or vent
What is the most active volcanic region?
What is the rock formed when lava cools in water?