Layers of Earth

What force pulls the densest elements to the center of the Earth?

• Magnetism

• Gravity

• Pressure

• Convection

Tags

NGSS.MS-PS2-4

NGSS.MS-PS2-5

Which layer of the Earth is the thinnest and least dense?

• Mantle

• Core

• Crust

• Lithosphere

What percentage of the Earth's mass does the mantle make up?

• 33%

• 50%

• 67%

• 75%

What is the core of the Earth mostly made of?

• Silicon

• Iron

• Oxygen

• Aluminum

What are the large pieces of the lithosphere called?

• Continents

• Plates

• Layers

• Crusts

What is the consistency of the asthenosphere?

• Hard and brittle

• Soft and plastic

• Liquid and flowing

• Rigid and solid

What causes the movement of tectonic plates on the asthenosphere?

• Wind currents

• Ocean waves

• Convection currents

• Magnetic fields

Tags

NGSS.MS-ESS2-1

What is the outer core responsible for creating?

• Earth's gravitational pull

• Earth's magnetic field

• Earth's atmosphere

• Earth's water cycle

What is the inner core made of?

• Liquid water

• Soft clay

• Solid iron and nickel

• Molten lava

Tags

NGSS.MS-PS1-1

Who developed the theory of continental drift?

• Isaac Newton

• Albert Einstein

• Alfred Wegener

• Charles Darwin

Tags

NGSS.MS-ESS2-3