Volcanic Eruptions

What is lava?

• Molten rock coming from a volcano in liquid form - OUTSIDE the earth

• Molten rock inside the earth's crust - INSIDE the earth

What is magma?

• Molten rock coming from a volcano in liquid form-OUTSIDE the earth

• Molten rock inside the earth's crust-INSIDE the earth

What is volcanic gas?

• hot steam from a volcano

• dust out of a volcano because it's so old

• A substance or mixture of substances in a gaseous state coming from a volcano

What is volcanic ash?

• Fine pieces of lava thrown from a volcano during an eruption

• smoke and dust

• grey dust from burning wood or paper

Name the 2 main parts of a volcano?

• Lava and magma

• Crater and Magma chamber

Where does the magma flow through the volcano

• main vent and side vents - conduit

• the top

• it blows up

What do you call a cone that forms off of the main cone?

• extra cone

• parasitic cone

• baby cone

Name an active volcano in the United States

• Mount St. Helens

• Mount Wannahawkalugie

• Mount Exploder