Which word means to begin or exist?
originate, diverted, or collide
originate

Which chapter would we read if we want to learn about volcanologists?
Chapter 3: Volcanology
Add a prefix to phone to name something that people can use to talk to each other.
telephone
This is the most violent type of volcanic eruption. It can be deadly!
Plinian
The material on the inside of a volcano is called magma. When it flows out, what is it called?
lava
Which word means to crash together?
originate, diverted, collide
collide
Which text feature shows us where a volcano is located?
maps
Add a prefix to virus to describe going against a virus.
antivirus
This is the smallest and calmest type of volcanic eruption.
Hawaiian
This type of volcano has had at least one eruption in recorded history.
active
The planes had to move in a different direction because of the ash cloud.
Which word can replace move in a different direction?
originate, diverted, collide
diverted

What type of text feature is this?
diagram
Add a prefix to form to describe what a caterpillar does when it changes into a butterfly.
transform
Which other type of natural disaster could cause a volcanic eruption to happen?
earthquake
This is a scientist who studies volcanoes and volcanic eruptions.
volcanologist
If originate means to start, the opposite of originate means what?
finish
Which text feature gives you words and definitions in the back of the book?
glossary
Add a prefix to social to describe someone who does not like to be social with people.
antisocial
The eruption of Mount St. Helens in 1980 was what type of volcanic eruption?
Plinian
Which volcano erupted in Pompeii, Italy and destroyed it?
Vesuvius
If convergent plates move toward each other, they what?
collide
Which text feature gives you a list of topics and page numbers to find the topics?
index
Add a prefix to theater to describe a theater that is partly indoors and partly outdoors.
amphitheater
What is the name of the fast-moving flow of extremely hot gas and rocks from a volcanic eruption?
pyroclastic flow
The text says, "They are called shield volcanoes because their shape resembles a warrior's shield."
What does "resembles a warrior's shield" mean?
The shield volcano looks like a warrior's shield.