Yung isinend ni ma'am sa GC

Question 1

By its speed, mass and volume, a pyroclastic flow will knock down, shatter, bury or carry away nearly all objects and structures in its path. The best example of this is what happened in Pompeii during the wrath of Mt. Vesuvuis

Answer 1

Impact and Burial

Question 2

A volcano, despite its beauty and advantages, poses a threat to the community located in its vicinity. Hence, we can say the volcano is a _______

Answer 2

Hazard

Question 3

This volcano erupted in 1991 and considered as one of the most violent eruptions in the Philippine history. Its eruption resulted into massive damages in the affected areas in Pampanga, Tarlac and Zambales provinces.

Answer 3

Mt. Pinatubo

Question 4

The extreme temperatures of rocks and gas inside pyroclastic flows can burn people, houses amd vegetation.

Answer 4

Burn

Question 5

This type of lava flow is the fastest flowing lava due to its low density or viscosity level.

Answer 5

Basaltic Lava

Question 6

This are the volcanic matter which includes all sizes or rock fragments of lava blobs that a volcano ejects during its eruption.

Answer 6

Tephra

Question 7

Considered as one of the most harmful volcanic hazards, it is a fast-moving current of hot gas and volcanic matter which reaches the speeds moving away from volcano of up to 700km/h (450m/h)

Answer 7

Pyroclastic Flow

Question 8

This type of pyroclastic flow involves the collapse on an eruption column. These eruption columns are commonly associated with eruptions such as Mt. Mayon, Mt. Pinatubo in the Philippines

Answer 8

Soufriere Type

Question 9

The following is/are the way/s lahar can be produced.

Answer 9

• A sudden draining of a crater lake by an explosive eruption or the collapse of crater wall.
• The melting snow or ice by the deposition of hot rock debris or lava.
• The mixing of pyroclastic flow with water.

Question 10

Is the BEST way to do DURING a volcanoc eruption.

Answer 10

Using a high-efficiency mask to protect your respiratory system from ash.

Question 11

Active Volcanoes in the Philippines

Answer 11

1. Mayon
2. Pinatubo
3. Taal
4. Bulusan
5. Hibok-hibok
6. Isarog
7. Banahaw
8. Kanlaon

“Etc.”

Question 12

Potential Volcanic Hazards

Answer 12

1. Lahar
2. Ash fall
3. Pyroclastic Flow
4. Tephra/Tephra Fall
5. Ballistic Projectile
6. Volcanic Gasses
7. Lava Flow