Crust
Is the crust the thickest layer?
No, it is the thinnest.
The layer between the Crust & Core
What is the mantle
What is the outer layer made of ?
What is Iron and nickel
Where is this located in the earth (crust is first)
What is last, or 4th level
True or false: Scientists dig down deep to find out about the core.
False, scientists measure seismic waves.
What 2 types of rock is the crust made up of?
Granite and Basalt
What percent of the earth is the mantle (must be within 10% )?
What is about 70% (2/3)
What layer of earth is the outer core (crust is first)
What is the 3rd one
true of false? The inner core is made of liquid iron and nickel
What is false. it is made out of solid iron and nickel
True or False: Seismic waves are only caused by volcanoes
What is FALSE
Which crust is thicker? Oceanic or Continental? (look it up)
What is Continental
What is it made up of?
What is molten rock (melted)
What layer is deeper/below the outer core ?
What is inner core
true of false. Convection currents happen in the inner core
What is false. the convection currents go on in the mantle
True or False: Scientists study seismic waves to determine if Earth has a core?
True
what does the crust float on?
What is the mantle
This type of circular cycle happens in the mantle?
What is convection currents
How thick is the outer core? (look it up)
What is 2200 km
true or false. is the inner core the densest layer?
What is true.
The Mantle has this many layers
What is three
How thick is the crust (miles or km)
3-30 miles or 5-50 km
What is the cause of convection currents in the mantle?
Heat from the core
Is it more or less dense than the inner core ?
What is less because it is liquid.
true or false does the inner core have molten metal
What is false the outer core has molten metal
Seismic data comes from what?