Earth's Interior Structure Quiz

What analogy is used in the text to describe Earth's interior structure?

• A) A layered cake

• B) A piece of fruit with a large pit

• C) A sandwich with different fillings

• D) A chocolate bar with a soft center

According to the text, what are the three parts of Earth's interior when compared to a piece of fruit?

• A) Skin, flesh, and seeds

• B) Crust, mantle, and core

• C) Peel, juice, and pulp

• D) Shell, white, and yolk

What are the two different types of crust mentioned in the text?

• A) Oceanic crust and mountainous crust

• B) Continental crust and plateau crust

• C) Oceanic crust and continental crust

• D) Basaltic crust and granitic crust

What is the primary composition of the oceanic crust according to the text?

• A) Granite

• B) Basalt

• C) Limestone

• D) Sandstone

What is the primary composition of the continental crust as stated in the text?

• A) Basalt

• B) Granite

• C) Marble

• D) Slate

What is the Earth's mantle thought to be composed of?

• Iron and nickel alloy

• Basalt and granite

• Olivine-rich rock

• Radioactive materials

What causes the temperature in the Earth's mantle to increase with depth?

• The mantle's proximity to the sun

• The geothermal gradient

• The core's magnetic field

• Meteorite impacts

How are rocks in the upper mantle different from rocks in the lower mantle?

What is the Earth's core mainly composed of?

• Granite and basalt

• Olivine-rich rock

• Iron and nickel alloy

• Silica and magnesium

Why is the Earth's core the source of internal heat?

• Due to the friction caused by the Earth's rotation

• Because of the heat from the sun

• Owing to radioactive materials breaking down into more stable substances

• Because of the geothermal gradient