1, Where is energy the
greatest?
2. Waves travel ________
through denser material.
3. How is energy released
during an earthquake?
4. How do P waves move?
5. Which two types of seismic
waves travel through Earth?
6. How do you define an
earthquake?
7. Which waves are the first
to reach the surface?
8. What is the epicenter?
9. What are two reasons
scientists study seismic
waves?
10. Are seismic waves
destructive?
11. Where do surface waves
form?
12. What are the three kinds
of seismic waves?
13. Pressure builds up when
rocks ______ against each
other.
14. Which type of wave can
travel through liquids and
solids?
15. Do all waves leave the
focus at the same time?
16. What is the underground
point where the energy is
released from an
earthquake?
17. What material can S
waves travel though?
18. Where do surface waves
travel?
19. When rocks cannot take
increasing pressure, what
two things happen?
20. What are the records
from a seismograph called?
21. What is the device called
that measures earthquakes?
22. What direction do seismic
waves spread out into?
23. Which type of seismic
wave is the fastest?
24. What layers of earth can
the focus be in?
25. How do S waves move?