WorksheetsTCI Volcanic Eruptions and Earthquakes
Total questions: 11
Worksheet time: 6mins
Volcanoes form on convergent boundaries, divergent boundaries and__________
hot spots
fault lines
transform boundaries
Magma from the mantle that rises to the crust is called a ___________
volcano
earthquake
hot spot
boundary
Two types of volcanic eruptions are.....
divergent and explosive
convergent and transform
explosive and nonexplosive
nonexplosive and silent
Thick magma contains dissolved_________
gases
rock fragments
fossils
Which of the following is NOT a precursor event for a volcanic eruption?
air gets very dry
volcanic gases are released
volcano’s shape changes
small earthquakes happen
What two types of boundaries do earthquakes mostly occur at?
subduction and divergent
convergent and transform
divergent and transform
Earthquakes occur within tectonic plates along........
rivers
canyons
faults
buildings
Earthquakes occur when ________ builds and the plates snap free.
gas
magma
pressure
What type of seismic wave travels through the Earth’s interior?
parallel waves
surface waves
body waves
Body waves have ________.
longer wavelengths
shorter wavelengths
horizontal wavelengths
The _______ is the point on Earths surface directly above the focus of the earthquake.
epicenter
hot spot
midpoint
