SCIENCE 10 POSTTEST

1. Which of the following sequences correctly lists the different arrivals of seismic waves from first to last?

• S waves ... P waves .... Surface waves

• P waves ... S waves .... Surface waves

• P waves ... Surface waves .... S waves

• Surface waves …. P waves ... S waves

2. How many seismograph stations are needed to locate the epicenter of an earthquake?

• 1

• 2

• 3

• 4

For question no. 3-5, refer to the diagram on the arrival of P and S waves below.

3. Which set of waves are the P waves?

• A

• B

• C

• A and B

4. Which set of waves are the S waves?

• A

• B

• C

• A and B

5. The difference in arrival times between which pair of waves can be used to determine the distance to the epicenter?

• A and B

• B and C

• A and C

• None of these

6. What is a volcano?

• A vent where hot water shoots toward the surface

• It is a fissure or vent, from which lava flows

• It is a hole where liquefaction once occur

• A hollow part of the earth

7. Which statement shows the difference between a volcano and a mountain?

• A volcano erupts while mountains do not.

• Mountains grow high while volcanoes do not.

• Volcanoes don’t erupt while mountains do.

• Volcanoes and mountains are the same.

8. Volcanoes were often found in what specific part of the world?

• Pacific

• Atlantic

• Arctic Region

• Antarctic Region

9. What is a plate?

• Are sections of lithosphere that move as a group.

• Are rigid sections of the lithosphere that move as a unit.

• Lithospheric sections that causes eruption.

• Are a lithospheric group that creates magma.

10. The method used to locate the earthquake epicenter using distance information from three seismic stations.

• Scientific method

• Triangulation method

• Long term method

• Short-termed method