Science 9 Third Quarter Review

It is a natural opening in the surface of Earth where molten rocks, gases, smoke and ash are ejected.

• Magma

• Lava

• Volcano

• Cone

It is a natural opening in the surface of Earth where molten rocks, gases, smoke and ash are ejected.

• Magma

• Lava

• Volcano

• Cone

Which of the following volcanic eruptions is characterized by explosive activity that produces pyroclastic flows, tall eruption columns, and widespread ash fall, typically associated with composite volcanoes and can have global climatic effects due to the release of large amounts of volcanic gases and particulates into the atmosphere?

• Strombolian

• Phreatic

• Plinian

• Vulcanian

It is formed by accumulation of lava resulting in a broad, slightly domed structure that resembles a warrior`s shield.

• Composite Cone

• Cinder Cone

• Shield Cone

• Cone

Which of the following changes in climate brings about long period of drought?

• El Niño

• La Niña

• Climate Change

• Cold Current

After a major volcanic eruption, scientists observed a significant drop in global temperatures and increased levels of sulfur dioxide in the atmosphere. Which type of volcanic eruption is most likely responsible for these observations?

• Strombolian

• Hawaiian Eruption

• Plinian

• Vulcanian

Geothermal energy is a clean and renewable source of energy that can be used by harnessing heated water from within the Earth and converting it to steam so that it can move turbines and generate___________.

• electricity

• ice

• potable water

• rain

The most violent type of volcanic eruption is ____________?

• Hawaiian

• Plinian

• Strombolian

• Vulcanian

The side of the mountain that receives most of the precipitation.

• Leeward side

• Windward side

• Rain shadow

• Peak

Which side of the mountain that receives less amount of precipitation?

• Rain shadow

• Peak

• Windward side

• Leeward side