Earth's Layers Quiz

What is the outermost layer of the Earth called?

• Mantle

• Core

• Crust

• Lithosphere

Tags

NGSS.MS-ESS1-4

Approximately how thick is the Earth's crust below the continents?

• 5 miles

• 25 miles

• 50 miles

• 100 miles

What is the Earth's mantle primarily made of?

• Liquid molten lava

• Loose material like rocks and soil

• Hard rock and super-heated molten rock

• Iron and nickel

How thick is the Earth's mantle?

• 1,800 miles

• 1,400 miles

• 5 miles

• 50 miles

What analogy is used in the text to describe the structure of the mantle?

• A sandwich with two pieces of bread and peanut butter in between

• A layer cake with different flavored layers

• A stack of books

• A layered dessert

What is the main composition of the outer core?

• Hard rock

• Super-heated liquid molten lava

• Loose material like rocks and soil

• Water and ice

What is the estimated thickness of Earth's inner core?

• 750 miles

• 500 miles

• 1000 miles

• 300 miles

Tags

NGSS.HS-ESS2-3

What is the temperature range of the Earth's inner core?

• Between 9,000 and 13,000 degrees Fahrenheit

• Between 5,000 and 8,000 degrees Fahrenheit

• Between 1,000 and 4,000 degrees Fahrenheit

• Between 14,000 and 18,000 degrees Fahrenheit

Tags

NGSS.HS-ESS2-3

Why can the iron and other minerals in the Earth's inner core not melt despite the high temperatures?

• Due to high pressure

• Due to low pressure

• Due to chemical composition

• Due to magnetic field

What is magma?

• Molten rock inside Earth's mantle

• Solid rock inside Earth's crust

• A type of mineral found in the core

• A gas emitted by volcanoes