1. Geology Flash Cards Grade 3 January 2015

2. Core
Crust
Earthquake
Epicenter
Fault
Hazard
Latitude
Longitude
Magnitude
Mantle
Richter scale
Ring of Fire
Seismic Waves
Seismogram
Tectonic plates
Tsunami
Volcano
Waves

3. Core Crust Earthquake The center of the Earth.
Thin outer layer of Earth.
3-30 miles thick.
Earthquake
Sudden shaking of Earth’s surface due to movement along a fault.

4. Epicenter Hazard Fault Place on ground directly above an earthquake.
Break in
Earth’s crust. Boundary between
two plates.
Hazard
A dangerous situation.

5. Latitude Longitude Magnitude Distance measured north or south from
the Equator.
Longitude
Distance measured east or west from
Prime Meridian.
Magnitude
The measure of the size of an object or event.

6. Mantle Richter Scale Ring Of Fire
Earth’s layer between the core and crust.
Richter
Scale
A scale that measures earthquake strength.
Ring Of
Fire
Location
of most earthquakes
and volcanoes.

7. Seismic Waves Seismogram Tectonic Plates
Energy waves produced by an earthquake.
Seismogram
Records seismic waves made by an earthquake.
Tectonic
Plates
Pieces of Earth’s crust that “float” on mantle layer.

8. Tsunami
A large water wave, or group of waves, caused by an earthquake.
Volcano
Mountain formed by rise of molten rock from inside
the Earth.
Waves
Transfer of energy with a repeating pattern.