Final Exam 7th Grade 1st Semester

Starting from the layer we live on, name the layers of the Earth in order.

• Crust, inner core, outer core, mantle

• Crust, mantle, outer core, inner core

• Mantle, crust, outer core, inner core

• Mantle, crust, inner core, outer core

This is the only liquid layer of the Earth

• Crust

• Mantle

• Inner core

• Outer core

The inner and outer core are made up of:

• Iron and Calcium

• Iron and Magma

• Iron and nickel

• basalt and granite

What happens to temperature & pressure as you go towards the center of the Earth?

• Both increase

• Both decrease

• Temperature increases, pressure decreases

• Temperature decreases, pressure increases

What does a compass needle line up with?

• Earth's rotational axis

• Earth's orbital position

• Earth's magnetic field

• Earth's gravitational field

What does Earth's magnetic field protect us from?

• The moon

• Meteors

• The sun's radiation

• All of the above

What does compositional layer mean?

• How the layer moves

• The thickness of the layer

• What the layer is made up of

What does mechanical layer mean?

• How the layer moves

• The density of the layer

• What the layer is made up of

What are tectonic plates?

• Mountains

• Pieces of Earth's crust and upper mantle

• Pieces of metal in the outer core

• Mountains

What landform is found at a convergent boundary

• Rift valley

• Mid-ocean ridge

• Mountains

• Canyon