Earthquakes and Volcanoes Quiz

1. How do earthquakes occur? A. When magma spills up into the crust B. When two tectonic plates slip past each other C. When gravity disrupts the core D. When the dinosaurs in the center of the earth stampede

2. What is the name of the spot below ground where an earthquake occurs? A. Epicenter B. Fault C. Focus D. Seismic spot

3. What is an epicenter? The spot underground where an earthquake occurs Where faults occur Where volcanoes form The spot above ground where the earthquake occurs

4. What type of fault is this? Normal Fault Reverse/Thrust Fault Strike-slip Fault Mountain Fault

5. Draw a strike-slip fault.

6. What are the waves that earthquake produce called? Earthquake waves Vulcan waves Seismic waves Faulted waves

7. T/F: P waves look like this.

8. What are the machines called that measure earthquakes? Seismometers Seismographs Seismeters Seismolators

9. What is the highest number on the Richter scale? 10 20 50 5

10. Which of the following is not a natural disaster that earthquakes cause? Landslides Tornados Tsunamis Liquefaction

11. Which type of volcanoes are island builders? Dome Shield Cinder cone Stratovolcano

12. This is what kind of volcano? Stratovolcano Cinder cone Shield

13. What kind of volcano oozes lava instead of erupting violently? Cinder cone Stratovolcano Shield Dome

14. What is ash, dust and pebble-sized rocks that goes downhill at up to 100 MPH? Fire Fountain Pyroclastic Flow Debris Plume

15. What type of lava is this?

16. T/F: Volcanoes kill more people than any other natural disaster?

17. A volcano that hasn’t erupted for more than 200 years is called Active Dormant Extinct Semi-active

18. Name one way volcanologists predict volcanic eruptions.

19. The Wasatch fault will produce an earthquake 19. The Wasatch fault will produce an earthquake. How big do they predict it will be? 5.5 6.5 7.5 8.5