| A | B |
| Mass Damper | A 6 ton weight built into the top of the building. Motion sensors detect swaying and send a message to a computer system |
| Cross Braces | Lend strength by conteracting the push and pull pressures that occur at the sides of abuilding during a earthquake |
| Active Tendon System | Sensors detect the motion of the building during an earthquake. A computer directs the ____ to lengthen or shorten in order to push or pull the building to the right spot |
| Base Isolators | Act as shock absorbers against the force of an earthquake. This arrangement of materials absorbs the energy of seismic waves that would otherwise travel up through the building |
| Flexible Pipes | _____ with flexible joints are better able to twist and bend without breaking during an earthquake |
| Basaltic Magma | Dry Magma, quiet eruption |
| Granitic Magma | Wet Magma, violent eruption |
| Dormant | Inactive |