volcanoes
This is a type of volcano made of layers of ash and lava
What is Composite Volcano
What are the waves that come out of the focus
What is Seismic Waves
this is the thinner type of tectonic plate
what is continental plate
this is the thinnest layer of the earth
what is crust
This is the the very hot red and black stuff under a volcano is stored
What is Magma Chamber
This is when rocks break apart
these things float on the mantel
what is tectonic plates
the tectonic plates float on this layer
what is mantle
This volcano is under 300 metres
What is Cinder Cone Volcano
This is the tool scientists use to measure earthquakes
what is a seismograph
this is the boundary when two tectonic plates move apart
what is divergent plate boundary
this layer is 3 to 5 miles thick
what is crust
This volcano erupted in 1980...
What is Mt. St. Helens
This is the point inside the earth where the vibrations first start
what is the focus
This plate boundary is a common place for volcanoes to form
What is convergent plate boundaries
this layer is made up of mostly iron and nickle
what is outer core
This volcano is very high in magnesium
What is Shield Volcano
This is the place located over the focus of the earthquakes
What is the Epicenter
this is the boundary when two plates slide alongside each other
what is transform boundary
liquid acts like a soild in this layer
what is inner core