80 Internet Mini-Scavenger Hunts © Scholastic Teaching Resources
Card #1
C HA L L E N G E : What types of tools does a volcanologist use to
monitor volcanoes?
1 How does magma become lava?
2 What are plate boundaries?
3 What are the most common and serious volcanic hazards?
http://www.learner.org/exhibits/volcanoes
Volcanoes
There are hundreds of active volcanoes around
the world—and more and more people are living
dangerously near them. Being able to predict
when volcanoes might erupt could save many
lives. Start your study of volcanoes at this site:
SCIENCE
2
1
Lava, ash, and debris flows
Areas where the earth’s shifting
plates meet or split apart
Magma reaches the surface
and becomes lava.
SCIENCE
3
Scholastic Professional Books
C HA L L E N G E : Seismographs, tiltmeters,
geodimeters, correlation spectrometers
80 Internet Mini-Scavenger Hunts
Card #1