SCIENCE 9 - 3RD QUARTER QUIZ

These are opening in the earth's crust from which lava, ash and hot gasses flow or eject during an eruption.

• geysers

• hot spots

• fissures

• volcanoes

It is a cone shaped volcano with very steep slope and the most common type of volcano.

• composite

• shield

• cinder cone

• caldera

It is the heat generated within the earth's interior.

• solar energy

• volcanic energy

• geothermal energy

• radiation energy

How composite, shield and cinder cone volcanoes are being classified?

• according to its shape and height

• according to composition and structure

• according to periodicity of its eruption

• according to pyroclastic materials it releases

An extinct volcano is one that is capable of erupting and will probably erupt again in the future.

• true at all means

• not true to all cases

• true in certain aspect

• case to case basis

Which of the following is NOT a feature of inactive volcanoes?

• reduced size

• hot springs

• obliterated cone

• vegetation

Which of the following is NOT a basis of classifying volcanoes?

• structure

• periodicity of eruption

• type of rocks formed

• composition

Which of the following is NOT a sign of volcanoes activeness?

• amount of gas emission

• frequent seismic activities

• state of regular eruption

• shape of volcano

Where are most active geothermal resources usually found?

• along plate boundaries

• near hot springs

• along earthquake epicenter

• in hot places

What indicates if a volcano will erupt explosively or quietly?

• the viscosity of the magma and build of gases

• the size of its crater and height of its cone

• the length of time it last erupted

• all of the above