6th grade (Volocano Vocabulary)

Question 1

Volcano

Answer 1

Hill or mountain formed by material that erupts onto earth’s surface; caused by action of magma below surface

Question 2

Eruption

Answer 2

the release of lava and gases from a volcano

Question 3

Lava

Answer 3

the molten, fluid rock that flows from a volcano or volcanic vent

Question 4

Magma

Answer 4

molten material beneath or within the earth’s crust, from which igneous rock is formed

Question 5

Caldera

Answer 5

a large, basin like depression resulting from the explosion or collapse of the center of a volcano

Question 6

Magma Chamber

Answer 6

a pocket in the volcano where magma collects

Question 7

Vent

Answer 7

an opening at the earth’s surface from which volcanic material (lava, steam, or gas) is released

Question 8

Viscosity

Answer 8

a measure of a fluids resistance to flow (example: honey flows slower than water)

Question 9

Crater

Answer 9

bowl-shaped area that may form around a volcano’s central vent (small)

Question 10

Pipe

Answer 10

a long tube in the ground that connects the magma chamber to the Earth’s surface

Question 11

Composite Volcano

Answer 11

a large, steep volcano built up of alternating layers of lava and ash or cinders; known for violent eruptions

Question 12

Cinder Cone Volcano

Answer 12

a small volcano with steep sides and a flat top; built of ash and cinders

Question 13

Shield Volcano

Answer 13

volcanoes that form from runny, fluid lava that builds up slowly over time, creating a wide, gently-sloping mountain shaped like a warrior’s shield; usually has quiet eruptions

Question 14

Volcanic Aerosols

Answer 14

a layer of fine dust, debris, and gas that forms in the atmosphere after a volcanic eruption and can affect the climate of the region surrounding the volcano

Question 15

Volcanologist

Answer 15

a scientist who studies volcanoes