Volcanoes
Name the three different types of volcanoes.
Cinder cone
Shield
Composite
Earth's outermost, rigid, rocky layer is called what?
the crust
What does the mantel include more of than the crust?
magnesium and iron
What two parts does the core consist of ?
outer core
inner core
waves produced by earthquakes or wave shifts in Earth's mantel/crust.
what type of scientist studies volcanoes?
Geologist
what are the main elements of the rocks in the crust are
oxygen and silicon
what does the mantel layer consist of?
hot rocks
Which layer is solid and which layer is liquid?
outer cores is liquid
inner core is solid
What does a P wave do in an Earthquake?
travel all the way through the earth.
Volcanoes that have erupted recently are called what?
Active volcanoes
which crust lies beneath the ocean?
oceanic crust
What does the upper mantel consist of?
brittle rock
What does the outer cores have a layer of ?
molten metal
What do earthquakes produce?
sematic waves
Which volcanoes are formed from runny lava and have gently sloping sides?
shield volcanos
what are the two different types of crust?
oceanic and continental crust
what is the lithosphere?
the rigid outer part of the earth, consisting of the crust and upper mantle.
what two elements are in the inner cores?
iron and nickel
What do S waves do?
moves through the body of an object
What are convection currents?
The composition of continental crust is like what?
Granite
A solid yet bendable layer within the mantel is called what?
Asthenosphere
Name each layer of Earth starting from Earth's center
core (inner and outer), mantel, crust.
What instrument is used to measure the size and duration of an earthquake?
seismographs