7th Grade Science

Good Essays
Topics: Earthquake
PART TWO: VOCABULARY CONNECTION
Fault- fracture that occurs when rocks break and that results in relative movement or opposing sides.
Seismic Wave- earthquake waves, including primary waves, secondary waves, and surface waves.
Epicenter- the point on earths surface located directly above the earthquakes focus.
Magnitude- a measure of the energy released by and earthquake.
Seismograph- instrument used to record seismic waves.
Tsunami- powerful seismic sea wave that begins over an ocean floor earthquake can reach 30 minutes height when approaching land and can use destruction in coastal areas.

PART FOUR: RESEARCH 1. What are the geological causes of these earthquakes?
Answer: The geological causes if these earthquakes is caused by when transform boundaries slide past each other. 2. How many fatalities occurred as a result of each earthquake?
Answer: The fatalities/ deaths occurred as a result of each earthquake. The amount of deaths of the San Francisco earthquake was 3,000 people. And the amount of deaths of the Haiti earthquake was more than 316,000 deaths. 3. Why did the earthquake in Haiti cause more deaths than the earthquakes in San Francisco if the earthquakes in Haiti of lower magnitude?
Answer: The reason Haiti earthquake killed more people was because its epicenter was close to a major city and its hypocenter or focal point was close to the earths surface. 4. Describe the physical damage caused by each earthquake.
Answer: The physical damage done by the san Francisco earthquake was that there was 225,000 people homeless and 28,000 buildings destroyed. The physical damage in Haiti was that there was no food or clean water or no electricity. 5. Why did the earthquake in Haiti cause more monetary damage than the earthquake in San Francisco if the earthquake in Haiti was of lower magnitude?
Answer: The earthquake in Haiti caused more monetary damage than the earthquake in San Francisco was because the structural

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