WorksheetsCreators and Destroyers
Total questions: 25
Worksheet time: 8mins
A scientist who studies volcanoes and their behaviour is known as a (a) .
Molten rock in the Earth's mantle is known as (a) .
Once magma reaches the surface of a volcano it becomes known as (a) .
The following diagram shows the huge chunks of land the float over the Earth's mantle. They are called __________ __________.
(a)
The Earth's __________ is a dense ball of iron and nickel.
crust
core
mantle
A huge crack in the ground that is often part of a plate boundary is known as a (a) .
A volcano that is not currently erupting, but that may erupt in the future is considered to be (a) .
A volcano that is currently erupting, frequently erupting or showing signs that an eruption is about to occur is known as an (a) volcano.
A factor that causes a volcano to be classified as extinct is-
That it hasn't erupted in the last 100 years.
It doesn't have a magma supply.
It is situated underwater on the ocean floor.
The large crater that is formed by the collapse of the cone of a volcano during an explosive eruption is known as a (a) .
What is letter B in the picture?
Magma Chamber
Crater
Vent
What is letter A in the picture?
Vent
Crater
Caldera
What is the top section of the vent of a volcano (usually blocked by solidified lava between eruptions)?
(a)
What is the name of the vent from which volcanic vapours escape, from the Latin word fumariolum meaning 'a smoke hole'?
(a)
The area surrounding the Pacific Ocean where hundreds of volcanoes are located is known as the...
(a)
The mix of ash, dust, bombs and other fragments in hot, dense gases, which roll downhill at high speed is called...
(a)
What are mudslides made of volcanic materials and water called?
(a)
A natural underground stream that throws out hot water and jets of steam is called a ...
(a)
What is a giant wave caused by an undersea earthquake or volcano called?
(a)
A (a) is a piece of equipment that is used to measure the amount of ground shaking associated with an earthquake or a volcano?
The __________ ___________ __________ is used to measure the intensity of a volcanic eruption.
(a)
What is the term for a fluid's tendency to resist flow?
movement
viscosity
pressure
Which of the following may signify that an eruption is going to occur?
The shape of the volcano changes slightly
An increase in the frequency and intensity of earthquakes
Noticeable steaming or fumarolic activity.
All of the above
To move away from an area to escape danger...
(a)
