Layers of the earth
How many majoy layers of the earth are there?
2 (crust, mantle, core)
Alfred Wegener had a theory that the ____________ used to be connected, but noone believed him.
continents
What is one thing you should do if you are in an earthquake?
example answers: stay inside, cover your head, drop to the ground
This kind of volcano acts like it is sleeping
Dormant
This is hot, melted rock beneath the earth's surface
magma
What is the outermost layer of the earth?
crust
The name of the super-continent was ___________.
Pangea
Earthquakes can happen where...
two plates meet
This kind of volcano is made of many layers of hardened ash and rock
composite
This is a crack in the earth's surface.
fault
What is the nmiddle layer of the earth?
mantle
The earth's crust is divided into pieces that fit together like ____________.
puzzle pieces
A ________________ is ised to measure the energy released during an earthquake.
seismograph
When magma reaches the earth's surface, it is called _________.
lava
These can form when two plates meet and on rises above the other on the surface.
mountains
What is the innermost ;layer of the earth?
core
The earth's plates sit on top of the liquid mantle and do this:
move slowly
The ______________ is the exact point where an earthquake begins.
epicenter
Volcanoes formed this state:
Hawaii
the name of the theory that says the earth's crust is divided into pieces that fit together
plate tectonics
Name an object that can model the layers of the earth.
Answers will vary. A hard-boiled egg is an example.
When the tectonic plates move, ______________ can happen.
example answers: mountains can form, earthquakes can happen, volcanoes can happen, etc.
What is an earthquake
a sudden, violent shaking of the earth that causes damage
A volcano that will never erupt again is called an ____________ volcano.
extinct
The name of the items that prove the theory that the continents were once a super-continent
fossil