TSUNAMIS
when is a tsunami dangerous?
reaches land.
gem?
diamond.
showing impressive beauty?
majestic.
which type of volcano is not a main type volcano?
crater core volcanoes.
why did the author write the selection Volcanoes?
to inform readers about different types of volcanoes.
what is the name given for tsunamis that are caused by underwater landslides?
mega-tsunamis
being in a state of rest?
dormant.
ring of fire?
large area where there are many active volcanoes.
where does most of Earth's volcanoes form?
at the boundaries of two tectonic plates.
what is an important feature of dormant volcanoes?
it erupted in the year 1056, but could erupt again some day.
what is a tsunami?
giant waves created by strong movement on the ocean floor.
blanket?
a covering or layer of something.
hot liquid rock inside Earth?
magma.
what was an immediate effect of the eruption of Mount St. Helens?
the area around the volcano was destroyed.
what text tells us that tsunamis can cause damage that can take many years to recover from?
the great Sendai in Japan.
why did the author not write this selection?
to explain technologies that track tsunamis.
something that happens as a result of conditions?
consequence.
monitors?
to observe in order to collect information.
how does volcanic eruptions help surrounding areas?
the soil that eventually develops from volcanic eruptions leads to better plant and animal life.
400
400
what is the ring of fire?
a large area where there are many active volcanoes.
craters?
a large bowl-shaped hole in the ground.
an unwelcome break in a process?
disruption.
how can scientist learn about Earth?
by studying volcanic eruptions.
500
500