Earth Science 2nd Quarter Pre Assessment Flashcards
What is the axial tilt of Earth?
23.5 degrees
What is the thinnest and the outermost layer of the structure of Earth?
Crust
What layer of the Earth produces the magnetic field of the said planet?
Outer Core
What is the weak and viscous layer that causes the plate tectonics to move?
Asthenosphere
What is the meaning of Pangaea?
All Land
How many major tectonic plates that we have?
7
What plate boundary occurs when two (2) plates collide?
Convergent
What plate boundary occurs when two (2) plate move apart each other?
Divergent
What is described as the sudden shaking of the ground along a fault?
Earthquake
What do you call the origin point of an earthquake underground?
Focus
What type of seismic waves arrive last at the seismic stations?
Rayleigh Wave
What refers to the energy released by an earthquake?
Magnitude
What is the large underground pool of liquid rock found beneath the Earth’s crust?
Magma Chamber
What is the depression of the volcano or opening of the summit of a volcano?
Crater
What is the passageway of molten rock that reaches the Earth’s surface?
Vent