Earth's layers

How deep is the outer core?

• 660km

• 5100 km

• 2900 km

• 6100 km

Direct method to study the Earth

• Drill

• earthquake

• Temperatures on Earth

• waves

The thinnest layer is

• inner core

• continental crust

• oceanic crust

• outer core

Oceanic crust is composed of

• gneiss

• slate

• basalt

• gabbro

This layer is liquid

• crust

• inner core

• outer core

• lower mantle

THe inner core is solid because.....

• it was formed in this way many years ago

• the materials

• the temperature

• the pressure

what layer is composed of iron and nickel

• core

• mantle

• crust

The position of the layers is because

• temperature

• density

• pressure

• None is correct

the geosphere is the ________ part of planet Earth and it is made of _______

The ranges temperature in mantle ....

• 100ºC-1500 ºC

• 500-2000 ºC

• 1000-3700 ºC

• 2600-3600 ºC.