Volcanoes
Name: ____________________
Score:
1. The place in the Earth’s surface through which magma and other materials
reach the surface is called
a. Magma
c. lava
b. Volcano
d. vent
2. The opening through which the lava erupts is called
a. Magma
c. lava
b. Volcano
d. vent
3. The following are characteristics of dark colored lava, except
a. A dark colored lava contains a lot of water and elements like iron and
magnesium
b. A dark colored lava contains enough amount of water and elements
like iron and magnesium
c. A dark colored lava contains a little water and elements like silicon
and aluminum
d. A dark colored lava has a chemical composition between that if silicon
and magnesium; iron and aluminum.
4. A rock fragment that is larger than the volcanic ash
a. Volcanic dust
c. volcanic ash
b. Volcanic bomb
d. volcanic cinders
5. A type of volcano that has a quiet eruption is
a. cinder cone and composite
c. shield and composite
b. composite
and caldera
d. caldera and craters
6. A volcano that is narrow based and steep angle
a. cinder cone
c. shield
b. composite
d. caldera
7. When the top of the volcano collapses or explodes, then it is called a
a. Crate
c. caldera
b. Volcanic bombs
d. volcanic ash
8. The following are rock fragments, EXCEPT
a. Volcanic ash
c. volcanic dust
b. Volcanic bombs
d. volcanic craters
9. The type of wave that moves like a water wave and causes destruction to
buildings, plants and humans.
a. P wave
c. S wave
b. R wave
d. L wave
10. The type of wave that shears the surface of the earth
a. P wave
c. S wave
b. R wave
d. L wave
11. A S wave is produced
a. The disturbance of the particle parallel to the direction waves
b. The disturbance of the particle perpendicular to the direction of
waves
c. The disturbance of the particle at the surface of the waves.
d. The disturbance of the particles that passes through different medium
12. The following are characteristics of P wave, EXCEPT:
a. It travels in any medium
b. It is the fastest wave to be felt
c. It exerts a compression force that travels parallel to the direction of
waves
d. It travels only in solid medium
13. The focus of the earthquake can be described in any of the following,
EXCEPT:
a. It is found everywhere in Earth’s surface
b. It is perpendicular to the epicenter
c. It is found near Earth’s fault
d. Caused by the movement of the plates
14. The ring of fire
a. Is due to the volcanoes producing a ring of fire during the eruption.
b. Is dues to volcanoes forming a ring at the bottom of the ocean
c. Is due to volcanoes forming a ring around the pacific ocean
d. Is due to volcanoes forming a ring at North America
15. An ocean ridge is often formed when
a. Volcanoes have an explosive eruption
b. Volcanoes have a slow movement of magma
c. Volcanoes erupt near the oceans
d. Volcanoes erupt at the bottom of the ocean
16. The quantities involved in a seismograph are
a. amplitude and frequency
b. amplitude and time
c. wavelength and frequency
d. wavelength and time
17. The amount of energy released during the movement of the plate is
a. Directly proportional to the amplitude
b. Directly proportional to the frequency
c. Directly proportional to time
d. Directly proportional to epicenter
18.