Quiz on Earth's Structure

What is the outermost layer of the Earth called?

• Inner Core

• Crust

• Outer Core

• Mantle

Which type of crust is thicker and made of granite?

• Oceanic crust

• Continental crust

• Lithospheric crust

• Asthenospheric crust

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

• 29%

• 84%

• 50%

• 71%

What is the primary composition of the outer core?

• Solid iron and nickel

• Liquid iron and nickel

• Granite and basalt

• Silicate minerals

What is the temperature of the inner core?

• 5,200°C

• 3,700°C

• 4,300°C

• 1,000°C

What layer of the Earth is responsible for tectonic plate movement?

• Inner Core

• Crust

• Asthenosphere

• Outer Core

What generates Earth's magnetic field?

• Movement of tectonic plates

• Convection currents in the outer core

• Heat from the mantle

• Solid iron in the inner core

What is the primary material of the continental crust?

• Granite

• Basalt

• Nickel

• Iron

What geological process is caused by the movement of tectonic plates?

• Volcanism

• Erosion

• Weathering

• Sedimentation

What is the temperature range of the mantle?

• 3,700°C to 4,300°C

• 0°C to 1,000°C

• 1,000°C to 3,700°C

• 5,200°C to 6,371°C