Elevate Science Course 1 Topic 7: Earth's Interior

What are the three main layers of the Earth's interior?

• crust, core, atmosphere

• core, atmosphere, ocean

• mantle, crust, ocean

• crust, mantle, core

Which layer of the Earth's interior is the thickest?

• Mantle

• Outer core

• Crust

• Inner core

What is the outermost layer of the Earth's interior called?

• crust

• atmosphere

• core

• mantle

What is the innermost layer of the Earth's interior called?

• Outer core

• Inner core

• Mantle

• Crust

What is the temperature like in the Earth's inner core?

• 4,300 degrees Celsius (7,748 degrees Fahrenheit)

• 5,700 degrees Celsius (10,300 degrees Fahrenheit)

• 8,500 degrees Celsius (15,332 degrees Fahrenheit)

• 2,000 degrees Celsius (3,632 degrees Fahrenheit)

How do scientists study the Earth's interior?

• Measuring the temperature of volcanoes

• Seismic waves generated by earthquakes

• Analyzing cloud formations

• Studying ocean currents

What is the composition of the Earth's mantle?

• Metallic alloys composed of nickel and iron

• Carbonate rocks rich in calcium and magnesium minerals

• Sulfide minerals with high concentrations of sulfur

• Silicate rocks rich in magnesium and iron minerals

What causes the movement of tectonic plates in the Earth's interior?

• Heat generated from the decay of radioactive isotopes in the mantle

• Wind patterns in the atmosphere

• Alien spacecraft hovering over the Earth

• Magnetic fields from the Earth's core

What is the significance of the Earth's magnetic field in relation to its interior?

• The Earth's magnetic field is generated by the movement of molten iron in its outer core, protecting the planet from solar winds and cosmic radiation.

• The Earth's magnetic field is influenced by the gravitational pull of the Moon.

• The Earth's magnetic field is a result of the presence of large amounts of gold in its core.

• The Earth's magnetic field is caused by the rotation of the planet on its axis.

How does the Earth's interior play a role in shaping the planet's surface features?

• Surface features are solely determined by weathering and erosion

• The Earth's interior influences the surface through plate tectonics and volcanic activity.

• The Earth's interior has no impact on surface features

• The Earth's interior is too far away to affect surface features