WSC Test 2

One of these doesn’t belong in a volcano’s eruption toolkit. Which one is the odd one out?

• Gas building up underground
• Lava cooling into rock
• Magma breaking through the surface
• Gentle rainfall making soil richer
• Ash shooting into the sky

A volcano is like a shaken soda bottle because...

• It needs a straw to release lava
• Pressure builds up and then bursts out
• It makes a sweet smell when opened
• It needs ice to calm it down
• It works only in cold temperatures

Fill in the blank: A pyroclastic flow is like ________ rushing downhill.

• A pile of soft pillows
• A slow-moving turtle
• A cloud of hot ash and gas
• A basket of clean laundry
• A group of dancing fireflies

Which of these is a possible result of a giant ash cloud reaching the sky?

• More birds learning to fly
• A longer and brighter summer
• Airplanes flying faster than usual
• Cooling of the Earth’s temperature
• More energy for solar panels

If magma cools down after leaving a volcano, what would it most likely turn into?

• A bubbling river
• A pile of dust
• A cloud of steam
• A thick cloud
• A new kind of rock

Imagine a world without volcano warning systems. Which of these would be most likely to happen?

• People would move into craters for safety
• Lava would cool before leaving the volcano
• Villages near volcanoes would face more danger
• Airplanes would fly through magma safely
• Volcanoes would stop erupting from stress

A “limnic eruption” is most like what everyday surprise?

• A silent fog rolling out of a fridge
• A soda can exploding after shaking
• A bubble bath overflowing
• A candle melting in the sun
• A balloon floating into space

What do Tambora, Krakatoa, and Huaynaputina have in common?

• They all sang songs before erupting
• Their ash changed weather far away
• They made volcanoes look less scary
• They helped cities grow bigger
• They created lakes from melted ice

What is one real-world reason why scientists compare Yellowstone to a “sleeping giant”?

• It snores and rumbles every night
• It grows taller with each snowstorm
• It is quiet but could erupt hugely
• It makes people sleep more deeply
• It causes dreams with bright colors

Which situation best shows the “good and bad” side of volcanoes?

• A lava dome hiding inside a museum
• Ash clouds making the air tasty
• A city destroyed, but soil becoming rich
• Magma used to cook lunch underground
• A crater turned into a swimming pool