Tectonic Plates
In this type of boundary, plates are moving towards each other.
Convergent plate boundaries
In this type of plate boundary, plates are moving apart
Divergent plate boundaries
Why is the ring of fire a significant area of destructive forces?
Majority of world's volcanoes and earthquakes
What is the center of earth called?
Core
This causes the plates to move
The convection currents in the mantle.
The name of the large pieces of Earth's crust that move
Tectonic Plates
What is the name of the layer of the Earth that lies directly beneath the crust
The mantle
What type of destructive force can happen after heavy rainfall when the soil is loose and muddy?
Landslide
The thinnest part of the earth
The crust
Convection currents occur here
In the mantle or asthenosphere
In this type of boundary, plates slide against each other
Transform plate boundaries
A continental plate converging with a continental plate creates this
Mountains
What type of destructive force carved the Grand Canyon?
Erosion
The 2 types of crust
Continental and Oceanic.
In convection: Hot _____ and cold _____
rises and sinks
When a plate slides under another is called
Subduction
Define constructive forces:
a force that builds up Earth's surface
Water carving away rock in a canyon is what type of weathering?
The core is made up of what 2 elements
Iron and Nickel
Why is convection important?
Convection currents in the mantle drag plates across the surface. Causes plate movement.
What type of plate boundary is responsible for creating new ocean floor?
Divergent
What type of feature can be created when an oceanic plate is subducted underneath a continental plate?
Oceanic trench
Acid Rain eating away at the surface of rock is what type of weathering?
Chemical Weathering
Layer of the earth located in the mantle:
Asthenosphere
This is the name given to the supercontinent that once existed
Pangaea