Font size
WorksheetsEarthquake and Volcano Review
Total questions: 23
Worksheet time: 12mins
A weak spot in the crust where magma has come to the surface is called _____________________
hot spot
lava
volcano
fault
When a volcano is not currently active but able to become active in the future is called ___________________
extinct
fault
hot spot
dormat
Dormant volcano which was erupted in AD 79 with terrible force destroyed the city of Pompeii and Herculaneum.
Mt Etna
Mt Stromboli
Mt Vesuvius
Mt Everest
This is the name for the chain of volcanos around the edge of the Pacific Plate.
Circle of Fire
Ring of Lava
Ring of Fire
Pacific Ring
Finish this statement: Silica is a mineral found in magma, the thicker the silica ____
the quieter the volcano
the thinner the magma
the less chance of clogged vents
the more explosive the volcano due to trapped gasses and clogged vents
_______ is liquid rock UNDERground, while ______ is liquid rock ABOVE ground
lava, magma
magma, lava
intrusive, extrusive
extrusive, intrusive
Volcanic rock and ash that are ejected during an eruption are called
pyroclastic flows
effusive eruptions
ash clouds
tephra flows
#21 is the...
vent
pyroclastic flow
lava
crater
magma chamber
#22 is the...
vent
pyroclastic flow
lava
crater
magma chamber
#23 is the...
vent
pyroclastic flow
lava
crater
magma chamber
#24 is the...
vent
pyroclastic flow
lava
crater
magma chamber
#25 is the...
vent
pyroclastic flow
lava
crater
magma chamber
Which volcano would have a single circular vent and a cylindrical cone of hardened lava and ash built around it.
Cinder Cone Volcano
Shield Volcano
Composite Volcano
Which of the volcanoes would have both a gentle and steep slope, thick and thin magma, and quiet and explosive eruptions?
A break in Earth’s crust along which rocks move is called ___________
stress
compression
dormat
fault
A giant wave usually caused by an earthquake beneath the ocean floor is called __________________
earthquake
volcano
tsunami
fault
The measurement of an earthquake’s strength based on seismic waves and movement along faults is called ________
fault
tension
stress
magnitude
The magnitude of an earthquake by Richter Scale is considered as moderate tremor
1< and <4
4< and <6
greater than 14
14< and < 20
