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CBA 5 REVISED
QUAKES PLATES VOLCANOES
| Term | Definition |
|---|---|
| INERTIA | TENDENCY FOR OBJECT IN MOTION TO STAY IN MOTION |
| GRAVITY | A FORCE THAT PULLS LARGE OBJECTS TOGETHER. PULLS US DOWN TO CENTER OF EARTH |
| GEOLOGIST | SCIENTIST THAT STUDIES ROCKS, EARTH, AND ITS COMPONENTS |
| VULCANOLOGIST | GEOLOGIST THAT STUDIES VOLCANOES |
| CRUST | HARD OUTER LAYER OF EARTH WE LIVE ON, SOLID ROCK |
| MANTLE | THICK SEMI LIQUID LAYER OF THE EARTH UNDER THE CRUST |
| OUTER CORE | LAYER OF EARTH THAT IS HOT LIQUID. IT SURROUNDS THE INNER CORE |
| INNER CORE | SOLID CENTER OF EARTH. SOLID BECAUSE OF INTENSE PRESSURE |
| LITHOSPHERE | LAYER OF THE EARTH THAT INCLUDES THE CRUST AND THE UPPER MANTLE |
| SEISMIC WAVES | VIBRATIONS USED BY SCIENTISTS TO STUDY EARTHQUAKES |
| PLATES | PIECES OF THE EARTH'S CRUST THAT FLOAT AND MOVE ON THE MANTLE |
| PLATE BOUNDARY | AREAS ON CRUST WHERE PLATES MEET |
| DIVERGENT | TYPE OF PLATE BOUNDARIES THAT ARE PULLING AWAY FROM EACH OTHER |
| CONVERGENT | TYPE OF PLATE BOUNDARIES THAT ARE PUSHING TOGETHER |
| TRANSFORM | TYPE OF PLATE BOUNDARY THAT ARE SLIDING ALONG SIDE EACH OTHER |
| SEA FLOOR SPREADING | CAUSED BY DIVERGENT PLATE BOUNDARIES |
| MOUNTAINS | CAUSED BY CONVERGENT PLATE BOUNDARIES |
| ACTIVE | VOLCANO THAT IS ERUPTING OR SOON WILL |
| DORMANT | SLEEPING VOLCANO. HAS NOT ERUPTED FOR A WHILE MIGHT AGAIN |
| EXTINCT | VOLCANO THAT IS DEAD. WILL NEVER ERUPT AGAIN |
| SHIELD | TYPE OF VOLCANO THAT IS FLAT AND WIDE WITH OOZING LAVA |
| CINDER CONE | TYPE OF VOLCANO WITH STEEP SIDES. ROCK AND ASH PILE UP |
| COMPOSITE | TYPE OF VOLCANO THAT IS A COMBINATION OF A SHIELD AND CINDER CONE VOLCANO. EXPLOSIVE AND HUGE |
| MAJOR PLATES | NORTH AMERICAN, EURASIAN, INDO-AUSTRALIAN, SOUTH AMERICAN, PACIFIC, ANTARCTIC, AND AFRICAN |
| SILICA | MATERIAL MADE OF OXYGEN AND SILICON. SAND. MAKES UP ALOT OF THE CRUST |
| GEOTHERMAL | ENERGY MADE FROM HEAT AND STEAM DEEP IN THE EARTH |
| WASHINGTON | A STATE THAT HAS MANY VOLCANOES IN IT. SOME EXTINCT AND SOME DORMANT. |
| ALASKA | STATE THAT ALSO HAS A LARGE AMOUNT OF VOLCANOES |
| SHOVEL | EXAMPLE OF A LEVER |
| AXE HEAD | EXAMPLE OF A WEDGE |
| SCISSORS | A COMPOUND MACHINE WITH A LEVER AND A WEDGE |