Vocabulary
Volcanoes
Rocks
More Volcanoes
Rocks and Ash
100
magma
What is molten rock beneath the earth's surface.
100
Composite
What is tall and pointed volcano
100
Rocks
What is made up of minerals
100
Shield
What is produced by quiet, oozing lava
100
Extrusive
What is igneous rock that forms from lava
200
lava
What is molten rock on the earth's surface.
200
Cinder cone
What is the smallest type of volcano
200
Intrusive
What is igneous rock that forms from magma
200
Shield
What type of volcano are the Hawiian islands
200
Sedimentary
What is the rock that contains fossils
300
Caldera
What is a large steep-sided volcanoc depression that forms when magma retreats or erupts froma shalloow underground magma chamber.
300
shield volcano
What is forms from fast flowing lava
300
Weathering
What are sedimentary rocks exposed to
300
Hot spot
What is under the state of Hawaii that causes great volcanic activity
300
remelt into magma
What happens when rocks are buried deep within the earth
400
Lava dome
What is a bulbous dome that forms at the top of a volcano when cold magma pushes up the earth's surface.
400
Viscosity
What is the lava's resistance to flow
400
divergent plate boundary
What is the type of plate boundary along that mid Atlantic ridge that causes volcanic activity
400
Volcanic ash
What is made up of glass pieces, iron pieces and other minerals
500
Pillow lava
What is a bulbous feature that is created when hot magma erupts onto the cold ocean floor and immediately cools in the water.
500
Mudslides, lahar, fires, earthquakes
What are catastrophic events related to volcanic eruptions.
500
metamorphic rock
What are rocks that form from heat and pressure that change rocks into new rocks deep within the earth
500
Dormant, Active, Extinct
What are the three stages of a volcano
500
Penny
What is harder volcanic ash or a penny
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