I. Vocabulary

1. Demolished

   1. Destroyed; torn down

   2. Damaged

   3. Measured

   4. Recorded

2. Seismic recorder

   1. A device to record the sound of an earthquake.

   2. A device to measure movement in the Earth.

   3. A device to predict landslides.

   4. A device to demolish the Kingdome.

3. Geological

   1. Having to do with the structure of the Earth’s crust.

   2. Having to do with the huge moving plates deep in the Earth.

   3. Having to do with the effects of earthquakes in different areas.

   4. All of the above

4. Shock waves

   1. Large ocean waves

   2. Huge moving plates deep in the Earth

   3. A device to measure movement in the Earth

   4. A force moving through solid, liquid, or gas.

5. Magnitude

   1. Explosives

   2. A measurable size or force

   3. Seismic recorders

   4. Number of shock waves

6. Minimal

   1. A measurable size or force

   2. Very serious

   3. Smallest; least possible

   4. Largest possible

7. Originated

   1. Began

   2. Reflected

   3. A measurement of movement in the Earth

   4. Exploded

8. Reflect

   1. To think about carefully

   2. To shift suddenly

   3. To throw back or return

   4. Seismic recording

9. Destined

   1. In the past

   2. Held back

   3. Reflected

   4. Very likely to happen

II. Multiple Choice

1. Why were the scientists interested in the demolition of the Seattle Kingdome ?

   1. They wanted to see which areas near the Kingdome would shake the hardest.

   2. They wanted to predict what might happen in a real earthquake.

   3. They wanted to measure the movement of the Earth with Seismic recorders.

   4. All of the above.

2. What do scientists predict will happen after a deep earthquake?

   1. There will be many aftershocks.

   2. There will be very few aftershocks.

   3. The magnitude of the quakes will be a 3 or more.

   4. There will be few landslides.

3. What do scientists hope to learn from setting off explosives above the Juan de Fuca plate?

   1. They hope to learn where the plate is and how it is moving.

   2. They want to destroy the Kingdome.

   3. They want to know which places are likely to have the most damage.

   4. A and C above

4. Which type of earthquakes have the most aftershocks?

   1. shock wave earthquakes

   2. shallow earthquakes

   3. deep earthquakes

   4. Juan de Fuca earthquakes

5. Why do earthquakes tend to happen where the Earth’s plates meet?

   1. The explosives cause them.

   2. These places have a greater magnitude.

   3. The plates move against each other; sometimes they shift suddenly.

   4. Aftershocks cause them.