Earth's Layers
The layer of earth that plants and animals live on.
What is the Crust.
When plates move apart.
What is divergent.
The theory that all of the continents used to be one.
What is Pangaea.
Define earthquake.
What is the shaking of the ground caused by the sudden movement of rock along a plate boundary.
The length of one rotation and revolution.
What is 24 hours and 365 1/4 days.
A thin layer of cool rock that contains continental and oceanic crust.
What is the Crust.
Name physical features that can occur from the shifting of tectonic plates.
What is volcanoes, atolls, geysers, earthquakes, mountains, and hot springs.
The two continents that fit together almost perfectly.
What is South America and Africa.
Define volcano.
What is a weak spot in the earth's crust where molten magma, rock fragments, and hot gases erupt.
The two seasons that have equal day and equal night.
What is Spring and Autumn.
The two crusts that the Crust us made out of.
What is Oceanic Crust and Continental Crust.
The reason why the theory of the Continental Drift wasn't accepted.
What is he couldn't explain how the continents could drift.
The meaning of the word Pangaea.
What is all lands.
The difference between focus and epicenter.
What is the focus is below the surface and the epicenter is on the surface above the focus.
The definition of a revolution.
What is the Earth orbiting around the sun.
Made of magma: very hot semi-solid rock. Two layers: upper and lower.
What is the Mantle.
The name of the scientist who discovered the the theory of the Continental Drift.
What is Alfred Wegener.
First main idea of the scientist who first thought of this theory.
What is that all continents were once together in a supercontinent called Pangaea.
The scale used to determine an earthquake's strength.
What is the Richter scale.
Define rotation.
What is the Earth's rotation counter-clockwise, or east, around an imaginary line called the axis, which passes through the poles.
The layers in order (bottom to top).
What is the Inner Core, Outer Core, Mantle, and the Crust.
What is trenches, ridges, canyons, and valleys.
The types of evidence that the scientist had.
What is fossil evidence, climate, evidence, and geological evidence.
The three types of volcanoes.
What is a shield volcano, a cinder cone, and a composite volcano.
The phases, in order, of the moon.
What is a new moon, a waking crescent, a first quarter, a waxing gibbous, a full moon, a waning gibbous, a third quarter, and a waning crescent.