Earth Structure
What is the portion of the earth where all life exists on?
Crust
What was the name of the large supercontinent that was once on Earth before the continental plates split apart?
Pangaea
an area of land that drains into a body of water
watershed
The star at the center of our universe is call the _____
Sun
A type of rock that forms from an existing rock that is changed by heat, pressure, or chemical reactions.
Metamorphic
What portion of the earth lies below the crust?
mantle
________ boundaries represent the borders found in the fractured pieces of the Earth's crust where one tectonic plate slides past another, often resulting in earthquakes
Transform
A natural feature on the surface of
Earth such as deltas, sand dunes and canyons
Landform
What is Earth's natural satellite called?
The Moon
A type of rock that forms when particles from other rocks or the remains of plants and animals are pressed and cemented together
Sedimentary
an opening in the Earth's crust through which molten lava, ash, and gases are ejected.
Volcano
Shaking and vibration at the surface of the earth resulting from underground movement along a fault plane or from volcanic activity
Earthquake
The build-up of land by the settlement of
sediment and soil in a new location.
deposition
the breakdown of rock into smaller pieces by physical means
weathering
A type of rock that forms from the cooling of molten rock at or below the surface.
Igneous
A flammable liquid produced from
remains of marine organisms
buried under layers of sediments
for millions of years.
Oil
Places where plates are pulling apart
divergent boundary
What is formed when pieces of Earth's crust—called plates—smash against each other in a process called plate tectonics, and buckle up like the hood of a car in a head-on collision
Mountains
How many revolutions does Earth make around the Sun each year?
One!
A trace of an ancient organism that has been preserved in rock
fossil
The metals that make up the inner core.
!!Must get both for points!!!
iron and nickel
True or False: The continental plates of Europe and the US are slowly moving away from each other
True
A divergent boundary occurs when two tectonic plates move away from each other. Along these boundaries, _________are common and magma (molten rock) rises from the Earth's mantle to the surface, solidifying to create new oceanic crust.
earthquakes
An imaginary line that a
sphere rotates around
Axis
Processes by which rock, sand, and soil are broken down and carried away
Erosion