Show:
Volcanoes
Earthquakes
Plate Tectonics
Other
100
Volcanoes are kinds of what?
Mountains
100
What is the first thing you should do at home during an earthquake?
Duck, cover, hold
100
How many layers make up Earth?
7
100
What is the earth's outer core responsible for?
The magnetic field
200
Where are volcanoes formed?
Along plate boundaries
200
Where do earthquakes form?
Along fault lines
200
What are earth's compositional layers?
Crust, mantle, core
200
Earth's continents were once together knows as what?
Pangaea
300
Where are most volcanoes located?
In the Ring of Fire
300
How many earthquakes occur a year?
Thousands of earthquakes occur a year
300
What are earth's physical layers?
Lithosphere, asthenosphere, mesosphere, inner core and outer core
300
What are the two kinds of folds?
Anticline and syncline 
400
Volcanoes can form new...?
Land and islands
400
How many earthquakes a year cause damage?
Only a few hundred
400
What is plate tectonics?

a theory explaining the structure of the earth's crust and many associated phenomena as resulting from the interaction of rigid lithospheric plates that move slowly over the underlying mantle

400
What is the stress that squeezes and pushes rock together 
Compression
500
How many types of volcanoes are there?
3
500
What should you do if you're outside during an earthquake?
Try to get into the open, then duck, cover and hold
500
What is the process that continually makes new crust?
Sea-floor spreading
500
What are the three kinds of mountains?

Folded, volcanic and fault-block