Volcanoes

What is Mount Vesuvius?

• A mountain range

• A large active volcano

• An ancient monument

• A city in Italy

What are the four layers of Earth?

• Crust, mantle, outer core, inner core

• North, south, east, west

• Land, water, air, fire

• Mountains, valleys, oceans, plains

What causes the shifting of tectonic plates?

• The rotation of Earth

• Wind and water erosion

• The moon's gravitational pull

• The flow of partially molten rock in the mantle

What is magma that has erupted through Earth's crust called?

• Soil

• Lava

• Crystals

• Coal

Where do most volcanoes occur?

• In forests

• In deserts

• At plate boundaries

• On islands

What is a hot spot volcano?

• A volcano that can heat up water

• A volcano located at an especially hot region in Earth's mantle

• A volcano that only erupts hot lava

• A volcano that is very popular with tourists

How many active volcanoes are there on dry land?

• About 1,500

• About 100

• About 10,000

• About 5,000

What is the Ring of Fire?

• A famous movie

• A special kind of volcanic eruption

• A circle of fire found in the ocean

• A circle beneath the Pacific Ocean with a high rate of earthquakes and volcanoes

What kind of volcanic eruption occurred at Mount Vesuvius in 79 CE?

• Plinian

• Pelean

• Strombolian

• Hawaiian

What can volcanic ash clouds affect?

• Global weather patterns

• The taste of local food

• The color of the sky at night

• The growth of plants in the ocean