Layers of the Earth

Which is the outermost layer, made of rocks and soil?

• mantle

• inner core

• outer core

• crust

Which layer the inner most solid layer, made of iron and nickel?

• outer core

• inner core

• lithosphere

• mantle

Which are characteristics of the mantle?

• thickest layer

• liquid

• soild

• convection currents in this layer cause plates to float

Which layer of the Earth is made of iron and nickel, and is a liquid, so earthquake waves more slowly through it?

• inner core

• mantle

• outer core

• crust

Which layer of the Earth has the highest temperature and most pressure?

• crust

• inner core

• outer core

• mantle

The Earth has a solid ___________ that is surrounded by a liquid _______.

• inner core, outer core

• mantle, crust

• outer core, inner core

• atmosphere, asthenosphere

Which layer is broken into pieces called plates that float on the mantle?

• outer core

• mantle

• inner core

• crust

Which is the thickest layer of the Earth, which is made of molten rock that flows slowly?

• crust

• mantle

• inner core

• outer core

Why haven't scientists been able to drill past any layers deeper than the crust?

• extreme temperatures

• lack of interest

• shortage of scientists

Which is the layer of the Earth between the inner core and the mantle?

• outer core

• crust

• inner core

• mantle