Volcanoes and Earthquakes Knowledge Assessment

The video explores the explosive nature of volcanoes and the devastating impact of earthquakes, using the 1906 San Francisco earthquake as a case study. It explains how tectonic plates cause these natural phenomena and describes different types of volcanoes, such as shield and composite volcanoes. The video also highlights the benefits of volcanoes, including soil enrichment and geothermal energy, while acknowledging their destructive potential.

What are volcanoes capable of ejecting into the atmosphere?

• Molten rock and ash

• Water and sand

• Dust and pollen

• Ice and snow

What caused the massive fires in San Francisco in 1906?

• Forest fire

• Volcanic eruption

• Gas line ruptures

• Lightning strike

What device do scientists use to record seismic waves?

• Thermometer

• Barometer

• Seismograph

• Anemometer

How much more energy does an earthquake release when it measures one number higher on the Richter scale?

• 10 times

• 20 times

• 30 times

• 40 times

What is the greatest recorded earthquake in North America?

• Seattle 2001

• San Francisco 1906

• Alaska 1964

• Los Angeles 1994

What are the two main types of lava?

• Runny and sticky

• Hot and cold

• Thick and thin

• Light and heavy

Where do most active volcanoes rest?

• The Ring of Fire

• The Atlantic Ocean

• The Sahara Desert

• The Arctic Circle

What type of volcano is Kilauea?

• Cinder cone volcano

• Shield volcano

• Stratovolcano

• Composite volcano

What is a pyroclastic flow?

• A type of volcanic rock

• A fast-moving current of hot gas and volcanic matter

• A type of earthquake wave

• A slow-moving lava flow

What percentage of the Earth's surface was created by volcanoes?

• 50%

• 60%

• 70%

• 80%