SCIENCE 9 - REVIEW

What is the common health problem during volcanic eruption?

• Anemia

• Fever

• Respiratory illness

• Watery diarrhea

What type of volcano is Mayon Volcano, which is formed from alternating layers of magma, undissolved stone, and ash?

• Cinder cone volcano

• Composite volcano

• Lava dome volcano

• Shield volcano

A shift of only a few degrees Fahrenheit in the average global temperature will likely result in more frequent and extreme heat waves. Which of the following choices best describes this phenomenon?

• Climate change

• Habitat destruction

• Ozone formation

• Weather change

Volcanic eruption is often associated with negative effects. Which of the following statements below describes the negative effects of volcanic eruption?

• Ash ejected by the volcano acts as a good fertilizer for soils.

• Volcanic eruptions cause health problems, loss of lives and properties.

• People became more creative by making earthenware out of the ash fall.

• Volcanoes attract many tourists, who enjoy the dramatic scenery that they produce.

Which of the following statements is TRUE about the harmful effects of volcanic eruptions?

• Lava and ash deposits after eruptions provide valuable nutrients to the soil.

• Heat and activity underneath Earth's surface can provide geothermal energy.

• Volcanic eruptions may cause effects on climate and may cause global cooling.

• Volcanic ashes and gases ejected into the air may cause breathing problems when inhaled.

During summer, many people visit Baguio because of the cold weather. What do you think makes Baguio cold?

• Altitude

• Latitude

• Distance from the Sea

• Prevailing winds

Which of the following statements is/are TRUE about the advantages of geothermal energy?

I. No fuel is required

II. Management is required to maintain sustainability.

III. Gases are released into the atmosphere during digging.

IV. More environmentally friendly than conventional fuel sources.

• I only

• I and II only

• I and IV

• I, II, III, and IV

Which of the following statement is TRUE about Cinder cone volcano?

• It is a broad sloping side and shield like structure.

• Symmetrical cones are steep and may rise as high as 2400 meters.

• It is built from particles and blobs as solidified lava ejected from a single vent.

• Lava coming out from this volcano is not accompanied by pyroclastic materials.

Kilauea, an active volcano in Hawaii, erupted on September 10, 2023, releasing fluid lava flows and spectacular fire fountains. What type of eruption is the Kilauea volcano?

• Hawaiian eruption

• Plinian eruption

• Phreatic eruption

• Vulcanian eruption

What is the common health problem during volcanic eruption?

• Anemia

• Fever

• Respiratory illness

• Watery diarrhea