15 Questions
What is the outermost shell of a terrestrial planet called?
Crust
Which layer of the Earth is relatively cold, thin, and brittle?
Crust
What are the main elements that compose the Earth's crust?
Oxygen, Silicon, Aluminum
Which type of crust covers water and consists mainly of dense rock?
Oceanic Crust
What is the average thickness of the Earth's crust?
30-40 Km
What makes up the outermost layer of Earth, known as the crust?
Oxygen and silicon
Which material is believed to have sunk towards the center of the Earth as it cooled?
Dense rock
What is the main component of the oceanic crust that covers water?
Basalt
Which layer of the Earth forms the outer skin and is relatively thin and brittle?
Crust
What is the average thickness of the Earth's crust?
35 km
Which layer of the Earth consists mainly of nickel and iron?
Core
What is the approximate percentage of Earth's mass that the crust represents?
Less than 1%
Which type of crust is characterized by being relatively thin and brittle?
Oceanic Crust
What type of rock is the oceanic crust mainly composed of?
Basalt
What is the main constituent of the Earth's lithosphere?
Oxygen and Silicon
Test your knowledge about the different layers of the Earth, including their composition, density, and thickness. Learn about the lithosphere and the discontinuities in Earth's layers.
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