Yellowstone National Park - Geysers

The video explores the geysers of Yellowstone National Park, focusing on their geological background, types, and the mechanics behind their eruptions. It highlights the park's unique hydrothermal features, including Old Faithful, and discusses the methods used to study and observe these natural phenomena. The video emphasizes the importance of preserving Yellowstone's legacy and encourages viewers to learn more about this dynamic ecosystem.

What is one of the main reasons Yellowstone was designated as the first National Park?

• Its vast size and diverse wildlife

• Its hydrothermal features and geysers

• Its beautiful landscapes and rivers

• Its historical significance

What type of geological feature is Yellowstone located on?

• A small dormant volcano

• A large active supervolcano

• A tectonic plate boundary

• A deep ocean trench

Which type of rock is formed when lava cools quickly?

• Granite

• Obsidian

• Basalt

• Rhyolite

Which of the following is NOT a type of hydrothermal feature found in Yellowstone?

• Mud pots

• Waterfalls

• Fumaroles

• Hot springs

What are the key ingredients needed for hydrothermal features to form?

• Rocks, minerals, and wind

• Soil, water, and sunlight

• Air, pressure, and a heat source

• Water, heat, and a plumbing system

What happens when a geyser's constriction point is broken?

• It stops erupting permanently

• It erupts with less force

• It becomes a hot spring

• It can have a massive eruption

How do scientists predict geyser eruptions in Yellowstone?

• By observing the geysers physically

• By tracking animal behavior

• By measuring the water temperature

• By using seismometers and other instruments

What is the average height of an Old Faithful eruption?

• 50 feet

• 100 feet

• 135 feet

• 200 feet

What natural event in 1959 affected Old Faithful's eruption interval?

• A forest fire

• A volcanic eruption

• A large earthquake

• A severe storm

What substance precipitates out of Old Faithful as it erupts?

• Silica

• Mercury

• Salt

• Sulfur