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Vocabulary 1
Vocabulary 2
Layers of Earth
Volcanoes
Misc.
100
An underground holding pool for hot magma is called a...
magma chamber
100
Melted rock that flows out onto Earth's surface is...
Lava
100
Name the first layer of Earth. (on Earth's surface)
crust
100
When a volcano collapses into itself at its top, it forms a...
crater
100

The scientist who first proposed the theory of continental drift...

Alfred Wegener

200
Scientists measure earthquake waves with a...
seismograph
200

The theory of states that new ocean crust is formed at ocean ridges and destroyed at deep sea trenches. 

seafloor spreading

200
Name the middle layer of Earth.
mantle
200
Mountains made of lava layers that alternate with layers of cinders are called...
Composite volcanoes
200

At this type of boundary, plates slide past each other.

transform boundaries

300
A vibration of Earth's crust is an...
earthquake
300
Hot melted rock that is underground is called...
magma
300
Name the deepest layer of Earth.
core
300
Volcanoes can be useful to peoople because volcanoes...
add minerals to the soil.
300
A break in the crust along which rocks move is a...
fault
400

A volcano with gently sloping sides and gently lava flows is a ...

shield volcano

400

The supercontinent that existed when all continents were joined together in one large landmass is...

Pangea

400

What is the crust made of?

plates

400
A moutain that forms from lava is a ...
volcano
400
The layer of Earth that is the hottest is the...
inner core
500

A boundary where two plates move apart is a _____ boundary.

divergent

500
The point of Earth's surface that is directly above an earthquake's focus is the...
epicenter
500

The hypothesis that continents on Earth's crust have slowly moved to their current locations is called...

continental drift

500

Name one of the places where a volcano is most likely to form.

One of these:

where plates move toward each other (convergent boundaries), in the ocean where plates are moving away from each other, the Ring of Fire, plate boundaries

500
The point underground where the movement of the earthquake first takes place is called...
focus