Before
After
100
plate
a flat or slightly curved object
100
Do earthquakes happen anywhere in the world?
yes!
200
earth
the planet on which we live
200
What can you see when an earthquake is happening?
everything is shaking
300
quake
Shaking hardly
300
Are earthquakes big or small or both?
both
400
tectonic plate
a sudden, violent shaking of the ground caused
400
Seismic waves
shock waves from an earthquake that travels through the ground.
500
earthquake
a sudden, violent shaking of the ground (of earth)
500
Seismographs
special tools to measure the size of the seismic waves