Earthquakes
These are cracks in the Earths crust along which movement takes place.
What are faults?
Scientist believed that our current continents where once a supercontinent called what.
What is Pangea?
This is the layer of the Earth that consists of the crust and uppermost mantle. It is divided into a number of tectonic plates.
What is the lithosphere?
The melted rock below the Earths surface.
What is magma?
These are two types of waves that occur during earthquakes.
What are surface waves and body waves?
New land is a result of this activity?
What is volcanic activity?
This is the thinnest layer of the Earth's layers.
What is the crust?
The magma that comes out of the Earth.
What is lava?
These are cracks in the Earths crust along which movement takes place.
What are faults?
This is a violent shaking of the Earths crust caused by built up energy.
What is an earthquake?
This layer is the hottest layer of the earth?
What is the inner core?
This type of volcano is formed when rock fragments are deposited around the vent creating a cone vent.
What is a cinder cone?
The instrument used by scientists to measure the seismic waves of plate movement.
What is a seismograph?
This is an area of active volcanoes that circles the Pacific plate.
What is the Ring of Fire?
The Earths plates move this much a year.
What is about 3 inches per year?
This type of volcano forms when a lot of hot lava flows smoothly from a vent and spreads out to cover a large area.
What is a shield volcano?
The point on the surface of the crust above the focus.
What is the epicenter?
This is often carried hundreds of miles away after an eruption and can provide great nutrients to the soil.
What is volcanic ash?
This layer is the only layer that is in a liquid state.
What is the outer core?
This kind of volcano is cone-shaped, but with steeper sides
What is a composite volcano?