earth layers
DESCRIPTION
A PowerPoint on Earth's layers. This can be found here. http://www.salem.k12.va.us/staff/jcox/powerpoints/science.htmTRANSCRIPT
Let’s Play
Rocks can move
Beneath the crust
Solid iron
Thinnest layer
Under the mantle
Plates ride on top
Melted iron
Center of Earth
Outermost layer
Solid rock
Earth’s ________ is divided into sections.
crust
How many sections is Earth’s crust divided into?
These sections are known as …
The place where plates meet is called a …
Most volcanoes and earthquakes are located at the …
Let’s Play
Mountains
Plates move apart
Volcanoes
Changes the shape of the ocean floor
San Andreas Fault
Trenches
Plates collide
Two plates slide past one another
One plate slides under another
When two plates converge ________ may work its way through the crust.
magma
Magma may contain highly explosive ________.gases
A ____________ is formed when magma breaks through to the surface.
volcano
New _______ is formed when the lava cools and hardens.
land
An _______________ occurs when plates move and the crust slips or breaks.
earthquake
The gradual uplifting of the crust during an earthquake causes ____________ to form.mountains