Vocabulary 1
This is when a volcano becomes active and releases materials such as lava, smoke and ash.
What is erupt?
When a mountain is jagged at the top, we know it is this.
What is young?
this is the outside, or outer layer of Earth. It can be compared to an egg shell.
What is the Crust?
This is the opening of a volcano.
What is a vent?
What is an aftershock?
This is an area under Earth's crust where the temperature is much hotter than normal, forcing magma toward the surface.
What is a hot spot?
What is hot enough to bend
This is the very center, or central portion of Earth. It has been compared to a egg yolk.
What is the core?
This is the smallest type of the three main types of volcanoes.
What is the ash-and-cinder volcano?
These are the fastest of the earthquake waves. They can pass through a solid, liquid or a gas.
What are Primary or P Waves?
This is a scientist who studies earthquakes.
What is a Seismologist?
The upward, or top part of the folded rock is called this.
What is anticline?
This is the inner layer of Earth. It can be compared to the egg white.
What is the mantle?
This is the largest type of volcano. The most well-known example is Mauna Loa in Hawaii.
What is the shield volcano?
These are the slowest of the earthquake waves. They travel the same way as if you threw a rock into the water and watched the ripples spread out from the point where the stone entered.
What are surface waves?
This is the strength of an earthquake.
What is magnitude?
The bottom of the fold is called this.
What is syncline?
The Earth's core is made of these two minerals.
What is iron and nickel?
This type of volcano can erupt violently, or quietly. Mount St. Helens in Washington is an example.
What is a composite volcano?
The surface location directly above the earthquake is called this. It is essentially the middle of the earthquake.
What is the epicentre?
This is an area where two very large rock surfaces move against each other.
What is a fault?
Mountains that are the result of both folding and faulting are described as this.
Just below the Earth's crust, is a layer, which is made of this type of material.
What is rock material, with the consistency of taffy?
What is a dormant volcano?
These are the side to side movements of the earthquake. They travel slowly and pass only though solids, not liquids or gases.
What are secondary or s waves?