wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Volcanic Hazards

Total questions: 15

Worksheet time: 12mins

Name
Class
Date
1.

(a)   is a dense, destructive mass of very hot ash, lava fragments, and gases ejected explosively from a volcano and typically flowing down slope at great speed.

2.

What are the different types of pyroclastic flow?

a)

Soufriere

b)

Pele

c)

Merapi

d)

Lapili

e)

Pelee

3.

(a)   is a hot mixtures of fresh lava, gas, rock, pumice, and ash that moves down the sides of a volcanic crater at high speeds during an eruption. It is considered as the most harmful hazard in a volcanic eruption.

4.

Write one effect of pyroclastic flow.

(a)  

5.

(a)   falls refers to volcanic rock and lava materials that are ejected into the air by explosions or carried upward by the eruption column’s hot gases or lava fountains.

6.

Ash and Lapili is a type of (a)   .

7.

Choose all the types of lapili.

a)

Pele's tears

b)

Pele's hair

c)

Pele's eyes

d)

Scoria

e)

Pumice

8.

It refers to the rocks that an erupting volcano may hurl into the air. These blocks and bombs travel like cannonballs and usually land within 2km of the vent.

a)

Tephra Falls

b)

Ballistic Projectiles

c)

Lahar

d)

Volcanic Debris Avalanche

9.

Summarize the story of Omayra Sanchez.

4 lines
10.

A (a)   is a process where in wet cement-like mixture of volcanic material and water flows down the slopes of a volcano.

11.

In ________ language, Lahar means lava or lava flow.

a)

Japanese

b)

Javanese

c)

Chinese

d)

Indian

12.

Landslides that occur in volcanic slopes.

(a)  

13.

A debris avalanche occurred from Mt. Mayuyama in the year (a)   .

14.

True or false: Lahars can be detoured.

a)

True

b)

False

15.

What is the most effective way to minimize the hazard of Volcanic Debris Avalance?

(a)