18 Questions
What is the theory that the universe originated from a cataclysmic explosion of a small, dense volume of matter?
Big Bang Theory
What is the approximate age of the Earth, according to the information provided in the text?
4.6 billion years old
What is the name of the supercontinent that existed before the continents drifted apart?
Pangaea
What is the mean distance of the Earth from the Sun, according to the text?
149.6 x 10 km
Which theory states that the Earth is at the center of the universe, and all other objects in space move around it?
Geocentrism
What are the two main divisions of the Earth's interior based on mechanical properties, according to the text?
Lithosphere and Asthenosphere
What is the main component of the Earth's core?
Iron and nickel
What is the name of the supercontinent that existed when all of Earth's continents were joined together?
Pangea
What is the main mechanism by which heat is transferred in the Earth's mantle?
Convection
Which of the following is NOT considered evidence for continental drift?
Similarities in the rock and sediment formations across continents
What is the primary way that heat is transferred through a solid material?
Conduction
What is the name of the scientist who first identified and named the supercontinent Pangea?
Alfred Wegener
What is the primary mechanism that propels the movement of tectonic plates?
Convection currents in the mantle
What is a mid-ocean ridge?
A continuous mountain chain on the ocean floor where new crust is formed
What is the seafloor spreading hypothesis proposed by Harry H. Hess?
New oceanic crust is created at mid-ocean ridges as plates move apart
What is the lithosphere?
The cold, brittle outer shell of the Earth
What is the asthenosphere?
The weak, plastic layer of the upper mantle
What is a convergent boundary?
A boundary where two tectonic plates collide or one is subducted under the other
Test your knowledge on geocentrism, Earth's distance from the Sun, rotational speed, and other interesting facts about the planet. Learn about Earth, which is often referred to as the water planet due to its vast seas covering a significant portion of its surface.
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