REVIEW3RD

Is a natural opening in the surface of the Earth where molten rocks, hot gases, smoke, and ash are ejected?

• CRATER

• HILL

• MOUNTAIN

• VOLCANOES

Tags

NGSS.MS-ESS3-2

Which of the following characteristics of a volcano depends on its magma emission?

• AGE

• LOCATION

• SHAPE

• SIZE

Which of the following shape volcano is formed from alternate solidification of lava and cinders?

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Is a violent eruption due to contact between water and magma?

• PHREATIC

• PHREATOMAGMATIC

• PLINIAN

• VULCANIAN

Excessively explosive type of eruption gas and pyroclastic.

• PHREATIC

• PHREATOMAGMATIC

• PLINIAN

• VULCANIAN

Is a steam-driven eruption as the hot rocks comes in contact with water?

• PHREATIC

• PHREATOMAGMATIC

• PLINIAN

• VULCANIAN

Which characteristic of magma mainly determines its explosiveness?

• AMOUNT

• COLOR

• SILICA CONTENT

• TEMPERATURE

Which of the following is NOT a positive effect of volcanic eruption?

• LEAD TO NEW LAND FORMATION

• IT CAN FERTILE SOIL

• IT CAN BE A TOURIST SPOT

• IT CAN PRODUCE VARIETY PRECIOUS OF MINERALS

A thick layer of volcanic ash can be heavy enough to collapse the roofs of the building because ash ______________.

• BECOMES HEAVY AS IT COOLS

• CANNOT BE BLOWN BY WINDS

• CONSIST OF TINY FRAGMENTS ROCKS THAT BECOMES HEAVY AS THEY PILE UP.

• IS SOLID

Is an volcano that is not erupting but suppose to erupt again?

• ACTIVE

• DORMANT

• EXTINCT

• INACTIVE