GRADE 7 - STRUCTURE OF THE EARTH

Which layer is made up of iron and nickel?

• Crust
• Mantle
• Inner Core
• Lithosphere

What is the correct layers of the earth starting with the surface?

• crust, outer core, inner core, mantle
• mantle, outer core, inner core ,crust
• crust, mantle, outer core, inner core
• outer core, inner core , crust, mantle

Which is the hottest layer and has the most pressure on it?

• Crust
• Mantle
• Outer Core
• Inner core

The __________ is the coolest layer.

• crust

• mantle

• outer core

• inner core

The molten rock that is found below the surface of the Earth is known as_____________.

• magma

• lava

• core

• mantle

The three types of rock are igneous, _____________ and _____________.

• extrusive igneous rocks and metamorphic

• sedimentary and metamorphic

• sedimentary and extrusive igneous

• extrusive igneous rocks and intrusive igneous rocks

The _________ is the thinnest layer.

• crust

• mantle

• outer core

• inner core

What is the core made of?

• Molten rock
• Solid rock
• Molten metal
• Solid metal

The molten rocks found above the Earth's surface is known as_____________.

• magma

• crust

• lava

• core

Name the layer labelled C

• inner core

• crust

• outer core

• mantle