The Impacts Of Tectonic Hazards
Muhtasari
If living near a volcano or fault line is so dangerous, why do hundreds of millions of people do it? The answer is that tectonic regions offer real rewards, from fertile soils to geothermal energy, and many people simply have nowhere else to go. When disaster strikes, though, the same event can kill a few people in one country and hundreds of thousands in another.
In this lesson you will weigh up the reasons people accept the risk, examine the social, economic and environmental impacts of earthquakes and eruptions, and master the scales geographers use to measure these events: the Richter and moment magnitude scales, the Mercalli scale and the volcanic explosivity index. You will see why magnitude alone never tells the whole story.
Malengo
- Reasons why people live in areas at risk from earthquakes and volcanic eruptions.
- The impacts of earthquakes.
- The impacts of volcanic eruptions.
- How the magnitude of a tectonic event is measured: moment magnitude scale, Richter scale, Mercalli scale, the volcanic explosivity index (VEI).
Maelezo ya Somo
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Pakua programu ya Green Bridge CBT kwenye simu yako au kompyuta yako ili kupata maelezo kamili ya masomo, maswali ya mazoezi, na mengi zaidi.
Tathmini ya Somo
Hongera kwa kukamilisha somo la The Impacts Of Tectonic Hazards. Sasa kwa kuwa umechunguza dhana na mawazo muhimu, ni wakati wa kuweka ujuzi wako kwa mtihani. Sehemu hii inatoa mazoezi mbalimbali maswali yaliyoundwa ili kuimarisha uelewaji wako na kukusaidia kupima ufahamu wako wa nyenzo.
Utakutana na mchanganyiko wa aina mbalimbali za maswali, ikiwemo maswali ya kuchagua jibu sahihi, maswali ya majibu mafupi, na maswali ya insha. Kila swali limebuniwa kwa umakini ili kupima vipengele tofauti vya maarifa yako na ujuzi wa kufikiri kwa makini.
Tumia sehemu hii ya tathmini kama fursa ya kuimarisha uelewa wako wa mada na kubaini maeneo yoyote ambapo unaweza kuhitaji kusoma zaidi. Usikatishwe tamaa na changamoto zozote utakazokutana nazo; badala yake, zitazame kama fursa za kukua na kuboresha.
- Which scale measures the intensity of an earthquake from observed effects and eyewitness reports? A. Richter scale B. Mercalli scale C. moment magnitude scale D. volcanic explosivity index Answer: B
- On the Richter scale, a magnitude 6.0 earthquake shakes the ground how many times more than a magnitude 4.0? A. 2 times B. 10 times C. 100 times D. 1000 times Answer: C
- Which of the following is a reason people choose to live near volcanoes? A. frequent pyroclastic flows B. fertile volcanic soils C. toxic gases D. ash falls Answer: B
- The volcanic explosivity index (VEI) is based mainly on: A. the depth of the magma chamber B. the volume of material ejected and cloud height C. the number of aftershocks D. eyewitness reports Answer: B
- A fire caused by a gas main broken in an earthquake is best described as a: A. primary impact B. secondary impact C. tertiary impact D. environmental benefit Answer: B
Inapatikana kwenye programu ya Green Bridge
Pakua programu ya Green Bridge CBT kwenye simu yako au kompyuta yako ili kupata maelezo kamili ya masomo, maswali ya mazoezi, na mengi zaidi.
Inapatikana kwenye programu ya Green Bridge
Pakua programu ya Green Bridge CBT kwenye simu yako au kompyuta yako ili kupata maelezo kamili ya masomo, maswali ya mazoezi, na mengi zaidi.
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