Quiz on the Structure of the Earth

What is the outermost layer of the Earth called?

• Core

• Crust

• Mantle

• Sima

Which elements primarily make up the oceanic crust?

• Silicon and Aluminium

• Silicon and Magnesium

• Aluminium and Iron

• Iron and Nickel

What is the average thickness of the mantle?

• 35 km

• 8 km

• 3,500 km

• 2,900 km

What is the main component of the continental landmass?

• Sial

• Nickel

• Sima

• Iron

Which type of rock is formed from the cooling and solidification of molten magma?

• Fossilized

• Igneous

• Metamorphic

• Sedimentary

What is the process called that transforms rocks from one type to another?

• Rock Cycle

• Erosion

• Sedimentation

• Metamorphosis

Which of the following is NOT a characteristic of minerals?

• No definite shape

• Inorganic substances

• Occur naturally

• Definite chemical composition

What type of rocks are formed from sediments being compressed and cemented together?

• Igneous

• Fossilized

• Sedimentary

• Metamorphic

What is the temperature of the outer core?

• 5,000 degrees Celsius

• 3,700 degrees Celsius

• 87 degrees Celsius

• 2,200 degrees Celsius

Which of the following is an example of a metamorphic rock?

• Granite

• Limestone

• Marble

• Basalt