Volcanoes

A volcano erupted 1000 years ago, but remnants of its activities are present due to the presence of hotsprings in the nearby area. What is the type of volcano according to activity?

• Active

• Dormant/inactive

• Extinct

• Shield

The following practices can be considered as safety precautions that can be done during a volcanic eruption EXCEPT:

• closing all windows of the house

• going into an open area

• turning off all electric appliances

• wearing N-95 mask

A rush of pyroclastic materials mixed with water devastated most lands near Mt. Pinatubo when it erupted in 1991. Which volcanic hazard is described in this situation?

• caldera

• lava

• lahar

• tsunami

Which type of volcano according to structure is shown in the image below?

• composite

• cinder cone

• shield

• extinct

Taal Volcano which is located in Batangas has erupted three years ago. This resulted to an ashfall that affected Metro Manila and provinces in Southern Luzon. Based on this event, Taal is an active volcano.

• True

• False

Name structure number 2.

• ash cloud

• crater

• magma chamber

• vent

The following are benefits that people living near volcanoes experience EXCEPT?

• geothermal energy

• money from tourism

• construction materials from volcanoes

• forest fires due to lava flow

Which health hazard is more likely related to ash clouds?

• lung diseases like silicosis

• body injuries and bruises

• diarrhea

• high blood cholesterol

All volcanoes are mountains.

• True

• false

Volcanic eruptions and earthquakes are natural phenomena associated with the movement of the tectonic plates.

• True

• false