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- 1. Multiple Choice
Once magma reaches the Earth's surface it is called.......
Silica
Lava
Rock
Molten
- 2. Multiple Choice
TRUE or FALSE: A volcano that erupts quietly will produce a lot of cinders, ash, and bombs
TRUE
FALSE
- 3. Multiple ChoiceWhich of the following terms are used to describe a volcano that may erupt at any time?Dormant volcanoActive volcanoExtinct volcanoShield volcano
- 4. Multiple ChoiceWhich of the following terms best describes a volcano that is dead and unlikely to erupt again?Dormant volcanoExtinct volcanoShield volcanoCaldera
- 5. Multiple ChoiceWhich of the following terms are used to describe a volcano that is has not recently erupted, but may in the future? (aka sleeping volcano)Composite volcanoActive volcanoExtinct volcanoDormant volcano
- 6. Multiple Choice
As the country with the most active volcanoes, how do the government of Indonesia reacted to the eruption?
alerting people living nearby
monitoring the activity
create an emergency evacuation if something happen
don't bother to act
- 7. Multiple ChoiceWhat factor(s) determine(s) whether an eruption will be explosive?The amount of gases in the magmaThe amount of silica in the magmaThe amount of gas and silica in the magmaNone of these affect the explosiveness of the volcano
- 8. Multiple Choice
What tool helps a volcanologist to monitor seismic activity?
Radar
GPS
Thermometer
Seismograph
- 9. Multiple ChoiceA mixture of hot gases, ash, cinders, and bombs that erupt explosively are called a(n)...pyroclastic flowlava flowvolcanic cloudactive mixtures
- 10. Multiple Choice
What is an earthquake?When the earth causes an upward thrust in the epicenter.When the earth moves up and down along the ocean floor.When tectonic plates move against each other causing the earth to move.None of the above - 11. Multiple ChoiceMany earthquakes happen along the borders of...CountriesTetonic PlatesClimate ZonesNone of the above.
- 12. Multiple ChoiceThe epicenter of an earthquake isThe point below the surface where rock begins to break and the first motion occursThe seismic station closest to the earthquakeThe place where the greatest damage occursThe point on the surface directly above the focus
- 13. Multiple ChoiceThe Richter scale measures:the amount of radon gas releasedthe movement of platesthe strength of an earthquakethe weight of tectonic plates
- 14. Multiple ChoiceWhich is NOT a risk factor contributing to landslidesSurrounding wildlifeSlope AngleGravityAmount of Water
- 15. Multiple Choice
Why do avalanches happen?
Tremors from far away earthquakes shake snow and ice loose
Heavy rainfall weighs down on existing snow turning it to ice and it slides down
Vibrations from loud sounds shatter old ice sheets causing them and the snow on them to fall
Heavy snowfall lands on layers of old snow and ice causing them to become unstable
- 16. Multiple Choice
When are avalanches most likely to happen?
After a heavy snow storm drops at least 12 inches of new snow on top of old snow
After an earthquake
After a rain storm drops at least 12 inches of water on top of old snow
After major celebrations that include fireworks
- 17. Multiple ChoiceHurricanes lose power bytraveling over the oceantravel over land
- 18. Multiple ChoiceWhat is the strongest category of hurricane?Category 5Category 10Category 1
- 19. Multiple ChoiceWhat measures the intensity of a tornado?CategoriesTornado ScaleFujita ScaleIntense Scale
- 20. Multiple ChoiceWhat causes damage in a hurricane?WindsFloodingStorm SurgeAll of the above
- 21. Multiple Choice
Hurricanes develop in ________ regions.
Arctic
Tropical
Arid
None of the above
- 22. Multiple ChoiceWhere do most hurricanes develop?Middle of the United StatesNear the EquatorNear Canada and AlaskaAntarctica
- 23. Multiple ChoiceWhat is the name of a hurricane in Asia?CycloneTyphoonBobDennis
- 24. Multiple ChoiceWhere do tornadoes start?Over the ocean near the equatorIn the clouds that create blizzardsIn the clouds of severe thunderstormsAny time that it rains
- 25. Multiple ChoiceThis is the name for the chain of volcanos around the edge of the Pacific Plate.Circle of FireRing of LavaRing of FireCircle of Magma
- Answer choicesTagsAnswer choicesTags