ASB Disasters

• When did the major eruption of Mount St. Helens occur?

  A) 1976

  B) 1980

  C) 1991

  D) 2000

  B) 1980
• What U.S. state is Mount St. Helens located in?

  A) California

  B) Oregon

  C) Washington

  D) Montana

  C) Washington
• What was the approximate height of Mount St. Helens before its eruption in 1980?

  A) 2,500 feet

  B) 9,700 feet

  C) 10,900 feet

  D) 14,000 feet

  B) 9,700 feet
• What type of volcano is Mount St. Helens considered to be?

  A) Shield volcano

  B) Stratovolcano (Composite volcano)

  C) Cinder cone volcano

  D) Caldera volcano


  B) Stratovolcano (Composite volcano)
• What were the major direct causes of fatalities during the 1980 eruption of Mount St. Helens?

  A) Lava flows and pyroclastic flows

  B) Ash clouds and lightning strikes

  C) Earthquakes and landslides

  D) Tsunamis and volcanic bombs

  A) Lava flows and pyroclastic flows
• What type of volcano is Mount St. Helens?

  A) Shield volcano

  B) Stratovolcano (Composite volcano)

  C) Cinder cone volcano

  D) Caldera volcano


  B) Stratovolcano (Composite volcano)
• What is a volcano?

  A) A large mountain made of rocks and soil.

  B) A type of hot spring that shoots out steam.

  C) A geological formation where magma, ash, and gasses escape from the Earth's crust.

  D) A deep trench in the ocean floor.

  C) A geological formation where magma, ash, and gasses escape from the Earth's crust.
• What is the main type of volcanic activity that occurs at Mount St. Helens?

  A) Regular lava flows

  B) Frequent explosive eruptions

  C) Gentle effusive eruptions

  D) Underwater eruptions

  B) Frequent explosive eruptions
• Which part of Mount St. Helens collapsed during the 1980 eruption, leading to the formation of a large crater?

  A) The eastern flank

  B) The summit

  C) The northern slope

  D) The southwestern ridge

  B) The summit
• During the 1980 eruption, what type of volcanic debris was produced and spread across the surrounding area?

  A) Lava flows

  B) Ash and pumice

  C) Sulfuric acid fumes

  D) Volcanic bombs

  B) Ash and pumice
• What major ecological event occurred due to the eruption of Mount St. Helens in 1980?

  A) Mass extinction of plant species

  B) Introduction of invasive animal species

  C) Formation of a new river valley

  D) Devastating destruction of the entire ecosystem

  C) Formation of a new river valley
• What was the primary factor that led to the rapid recovery of plant life in the blast zone after the eruption?

  A) Seeds from surviving plants in the soil

  B) Introduction of genetically modified plants

  C) Plant seeds transported by wind from distant regions

  D) Plant cuttings from nearby forests

  A) Seeds from surviving plants in the soil
• What important ecological process did the eruption of Mount St. Helens demonstrate?

  A) The resilience of ecosystems in the face of major disturbances

  B) The fragility of ecosystems to even minor disruptions

  C) The impossibility of plant regrowth in volcanic landscapes

  D) The ability of animals to escape volcanic eruptions

  A) The resilience of ecosystems in the face of major disturbances
• How did the ash and debris from the eruption affect nearby rivers and streams?

  A) The water became more acidic, leading to fish die-offs

  B) The water temperature increased, causing fish to migrate

  C) The water flow was reduced, causing flooding in nearby areas

  D) The water quality remained unchanged due to natural filtering

  A) The water became more acidic, leading to fish die-offs
• What new ecological feature was formed as a result of the eruption?

  A) A large crater lake

  B) A series of hot springs

  C) A network of underground caves

  D) A vast desert region


  A) A large crater lake
• What is the characteristic feature of a stratovolcano (composite volcano)?

  A) Broad, gently sloping sides

  B) Tall, steep-sided structure

  C) Small size with a single vent

  D) Only erupts low-viscosity lava

  B) Tall, steep-sided structure
• Which type of volcano is primarily built by the flow of low-viscosity basaltic lava?

  A) Stratovolcano

  B) Cinder Cone Volcano

  C) Shield Volcano

  D) Supervolcano

  C) Shield Volcano
• What material primarily builds up cinder cone volcanoes?

  A) Ash and cinders

  B) Lava flows

  C) Volcanic rocks

  D) Gases

  A) Ash and cinders
• In which geological setting are stratovolcanoes often found?

  A) Deserts

  B) Hotspots

  C) Subduction zones

  D) Oceanic ridges

  C) Subduction zones
• What type of nuclear reactor was involved in the Chernobyl disaster?

  A) Pressurized Water Reactor (PWR)

  B) Boiling Water Reactor (BWR)

  C) Gas-Cooled Reactor (GCR)

  D) Graphite-Moderated Reactor (RBMK)

  D) Graphite-Moderated Reactor (RBMK)
• Which modern country was the Chernobyl Nuclear Power Plant located in?

  A) United States

  B) France

  C) Russia

  D) Ukraine

  D) Ukraine
• What was the main cause of the nuclear disaster at Chernobyl?

  A) Natural disaster (earthquake or tsunami)

  B) Terrorist attack

  C) Human error during a safety test

  D) Mechanical failure in the reactor

  C) Human error during a safety test
• What occurred in the Chernobyl reactor that led to a massive explosion and release of radioactive materials?

  A) A steam explosion due to a coolant leak

  B) A fire caused by an electrical malfunction

  C) A criticality accident from uncontrolled nuclear reactions

  D) A chemical explosion during reactor maintenance


  A) A steam explosion due to a coolant leak
• What was the immediate impact of the Chernobyl disaster on nearby populations?

  A) Widespread radiation sickness

  B) Complete evacuation of all residents

  C) No immediate health effects

  D) Temporary disruption of electrical power

  A) Widespread radiation sickness
• What is the main purpose of a nuclear reactor in a nuclear power plant?

  A) To produce electricity

  B) To refine nuclear fuel

  C) To generate steam for industrial use

  D) To release harmful emissions into the atmosphere

  A) To produce electricity
• What is the fuel used in nuclear reactors to generate power?

  A) Coal

  B) Natural gas

  C) Uranium

  D) Crude oil

  C) Uranium
• Which process generates heat inside a nuclear reactor?

  A) Combustion of fuel

  B) Fission of atomic nuclei

  C) Condensation of steam

  D) Chemical reactions

  B) Fission of atomic nuclei
• How is the heat produced in a nuclear reactor used to generate electricity?

  A) By directly powering electrical appliances

  B) By driving a steam turbine connected to a generator

  C) By heating water for household use

  D) By creating magnetic fields for induction

  B) By driving a steam turbine connected to a generator
• What are the primary byproducts of nuclear power generation?

  A) Carbon dioxide and sulfur dioxide

  B) Oxygen and water vapor

  C) Radioactive waste and steam

  D) Nitrogen oxides and particulate matter

  C) Radioactive waste and steam
• When did the Chernobyl nuclear disaster occur?

  A) 1976

  B) 1980

  C) 1986

  D) 1991

  C) 1986
• In which country (that no longer exists) did the Chernobyl nuclear disaster take place?

  A) United States

  B) France

  C) Russia

  D) Soviet Union

  D) Soviet Union
• What is the primary source of energy that fuels the formation and intensification of a hurricane?

  A) Solar radiation

  B) Earth's magnetic field

  C) Underground geothermal heat

  D) Ocean heat and evaporation

  D) Ocean heat and evaporation
• What was the main cause of the Chernobyl disaster?

  A) Natural disaster (earthquake or tsunami)

  B) Terrorist attack

  C) Human error during a safety test

  D) Mechanical failure in the reactor

  C) Human error during a safety test
• What was the immediate impact of the Chernobyl disaster on nearby populations?

  A) Widespread radiation sickness

  B) Complete evacuation of all residents

  C) No immediate health effects

  D) Temporary disruption of electrical power

  A) Widespread radiation sickness
• What is the name of the city located closest to the Chernobyl Nuclear Power Plant?

  A) Pripyat

  B) Kiev

  C) Moscow

  D) Minsk

  A) Pripyat
• What level of the International Nuclear Event Scale (INES) was assigned to the Chernobyl disaster?

  A) Level 1

  B) Level 4

  C) Level 7

  D) Level 10

  C) Level 7
• How did the Chernobyl disaster impact the surrounding environment?

  A) It caused a sudden increase in the wildlife population.

  B) It led to significant pollution of nearby rivers and lakes.

  C) It had no discernible effect on the ecosystem.

  D) It triggered a boom in agricultural production.

  B) It led to significant pollution of nearby rivers and lakes.
• What was the long-term consequence of the Chernobyl disaster on the area surrounding the nuclear power plant?

  A) The land became a thriving wildlife sanctuary.

  B) The area was abandoned and became a restricted exclusion zone.

  C) The soil became highly fertile for agricultural use.

  D) The local population expanded due to increased job opportunities.

  B) The area was abandoned and became a restricted exclusion zone.
• What is the current status of the Chernobyl Nuclear Power Plant site?

  A) It is fully operational and generating electricity.

  B) It has been fully decommissioned and dismantled.

  C) It is undergoing repairs to become operational again.

  D) It remains abandoned and surrounded by an exclusion zone.

  D) It remains abandoned and surrounded by an exclusion zone.
• What type of disaster occurred at the Chernobyl Nuclear Power Plant?

  A) Earthquake

  B) Volcanic eruption

  C) Nuclear accident

  D) Tsunami

  C) Nuclear accident