Vocabulary
Features of Informational Text
Prefixes
Volcanic Eruptions
Fun Facts
100

Which word means to begin or exist?

originate, diverted, or collide

originate

100

Which chapter would we read if we want to learn about volcanologists?

Chapter 3: Volcanology

100

Add a prefix to phone to name something that people can use to talk to each other.

telephone

100

This is the most violent type of volcanic eruption. It can be deadly!

Plinian

100

The material on the inside of a volcano is called magma. When it flows out, what is it called?

lava

200

Which word means to crash together?

originate, diverted, collide

collide

200

Which text feature shows us where a volcano is located?

maps

200

Add a prefix to virus to describe going against a virus.

antivirus

200

This is the smallest and calmest type of volcanic eruption.

Hawaiian

200

This type of volcano has had at least one eruption in recorded history.

active

300

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

300

What type of text feature is this?

diagram

300

Add a prefix to form to describe what a caterpillar does when it changes into a butterfly.

transform

300

Which other type of natural disaster could cause a volcanic eruption to happen?

earthquake

300

This is a scientist who studies volcanoes and volcanic eruptions.

volcanologist

400

If originate means to start, the opposite of originate means what?

finish

400

Which text feature gives you words and definitions in the back of the book?

glossary

400

Add a prefix to social to describe someone who does not like to be social with people.

antisocial

400

The eruption of Mount St. Helens in 1980 was what type of volcanic eruption?

Plinian

400

Which volcano erupted in Pompeii, Italy and destroyed it?

Vesuvius

500

If convergent plates move toward each other, they what?

collide

500

Which text feature gives you a list of topics and page numbers to find the topics?

index

500

Add a prefix to theater to describe a theater that is partly indoors and partly outdoors.

amphitheater

500

What is the name of the fast-moving flow of extremely hot gas and rocks from a volcanic eruption?

pyroclastic flow

500

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.