9. Which layer of the Earth does S-waves do not travel? A. core B. crust C. mantle D. THEO 10. Which of the following earthquake waves can travel through both solids and fluids? A. P waves only C. Q-waves only B. S waves only D. Both P and S waves 11. Which seismic waves travel through the interior layer of the Earth? A. body waves C. inner waves B. deep waves D. surface waves 12. What do you call the motion or vibration of earthquake that travels outward from the focus? A chemical energy C. gravity waves B. electromagnetic waves D. seismic waves 13. In the upper part of the mantle, the earthquake waves slow down. It is explained that A. that outer core is solid. B. rocks are partially molten. C. at depth the rocks are denser. D. rocks confined at that particular location tightly packed together. 14. What is the most destructive earthquake wave? C. Q waves A. S waves D. Surface waves B. P waves 15. Which statement best explains why the P-wave of an earthquake arrives at a seismic station before the S-wave? A. The S wave originates from the earthquake focus. B. The P wave has a greater velocity than the S wave. C. The P wave originates from the earthquake epicenter D. The S wave decreases in velocity as it passes through the liquid.
