12 Questions
What is the approximate percentage of oxygen in the Earth's composition?
47%
What is the process used to determine the age of rocks?
Radioactive isotopic decay
What is the approximate radius of the Earth in kilometers?
4,640 km
What is the process by which the Earth's crust is formed?
Earth formation from superheons
What is the composition of the Earth's inner core?
Liquid iron
How many types of plate boundaries are there?
3
What type of rocks are formed in high temperature and pressure conditions, resulting in a change from another rock?
Metamorphic rock
What is the process by which different layers of the Earth's crust rise or sink to achieve equilibrium?
Isostasy
What is the term for the erosion of the top of a mountain, resulting in the uplift of the region?
Isostatic uplift
What is the type of plate movement characterized by the pulling apart of the Earth's crust, resulting in the formation of new crust?
Divergent plate movement
What is the term for the density of an object, calculated by dividing its mass by its volume?
Density
What is the type of rock formed through the cooling and solidification of magma or lava?
Igneous rock
Test your knowledge of the Earth's composition, structure, and formation processes. This quiz covers topics such as the Earth's radius, crust, oceans, and radioactive isotopic decay. Learn about the different layers of the Earth and their characteristics.
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