The document provides information about earthquakes, including: 1) It describes the elastic rebound theory which explains how energy is stored in rocks until a fault causes an earthquake, releasing the energy in seismic waves. 2) It defines the focus as the point where faulting begins underground, and the epicenter as the point directly above on the surface. 3) It identifies the four types of seismic waves - P and S waves which travel through solids, and Rayleigh and Love waves which travel along the surface.

1. Earthquakes Earth Science 11 Ms. McKean

3. PART 1 What are Earthquakes

10. Body Waves: P and S waves

12. Seismic Waves

15. The Normal Fault Strike-Slip Fault Thrust Fault

16. Normal Fault

17. Thrust Fault

18. Strike Slip Fault

21. PART 2 Measuring Earthquakes

22. Measuring EQs Intensity

28. PART 3 Environmental Impacts

37. What is the name of the theory that describes how earthquakes occur Correct - Click anywhere to continue Incorrect - Click anywhere to continue You must answer the question before continuing Submit Clear A) Focus Theory B) Elastic Rebound Theory C) Strike-slip Theory D) Richter Theory

38. Where is the focus of an earthquake found? Correct - Click anywhere to continue Incorrect - Click anywhere to continue You must answer the question before continuing Submit Clear A) On the surface of the Earth where the earthquake occurs B) In the core of the Earth where the earthquake is generated C) The location that has the most damage as a result of the earthquake D) The spot within the crust where the earthquate originates

39. Which of the following are surface waves? Correct - Click anywhere to continue Incorrect - Click anywhere to continue You must answer the question before continuing Submit Clear A) P and S waves B) S and R waves C) R and L waves D) P and L waves

40. The type of siesmic wave that moves through compressions is called Correct - Click anywhere to continue Incorrect - Click anywhere to continue You must answer the question before continuing Submit Clear A) a primary wave B) a secondary wave C) a rayleigh wave D) a love wave

41. Waves that cause the ground to roll and as a result cause lots of damage are called Correct - Click anywhere to continue Incorrect - Click anywhere to continue You must answer the question before continuing Submit Clear A) Love waves B) Rayleigh waves C) Primary waves D) Secondary waves

42. How are faults classified? Correct - Click anywhere to continue Incorrect - Click anywhere to continue You must answer the question before continuing Submit Clear A) their size B) the amount of damage they cause C) where they occur D) how they move

43. Which is NOT a type of fault? Correct - Click anywhere to continue Incorrect - Click anywhere to continue You must answer the question before continuing Submit Clear A) Normal B) Strike-Slip C) Thrust D) Rupture

44. What does a siesmograph measure? Correct - Click anywhere to continue Incorrect - Click anywhere to continue You must answer the question before continuing Submit Clear A) Intensity B) Magnitude C) Amount of Damage D) Size of possible tsunami

45. Match the environmental impact on the left to the descriptor on the right. Column 1 Column 2 Correct - Click anywhere to continue Incorrect - Click anywhere to continue You must answer the question before continuing A. large wave generated as a result of underwater earthquake B. causes building to sink C. amount depends on the distance from the epicenter B Liquifaction C Ground Shaking A Tsunami Submit Clear

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