What are igneous, metamorphic and sedimentary rocks?
100
Vents in Earth's crust through which magma, gases and other materials are forced out.
What are volcanoes?
100
The number of main landforms that are created by volcanoes.
What is three?
100
These types of eruptions occur in the Hawaiian Islands.
What are Hawaiian eruptions?
100
Closely spaced mountains form this type of landform.
What is a mountain range?
200
These rocks are made up of bits and pieces of other rocks. Water and wind erode rocks, making them smaller pieces. Pieces of rock are deposited, building up pressure.
What are sedimentary rocks?
200
Molten or hot and melted rock below Earth's surface.
What is magma?
200
This volcano has a small cone with steep sides.
What is a cinder cone volcano?
200
This type of eruption is named for a volcanic island off the coast of Italy. Eruptions occur fairly frequently and are fairly gentle as pressure is released gradually.
What is a Strombolian eruption?
200
Several mountain ranges that lie parallel to one another make up this type of landform.
What is a mountain belt?
300
Basalt and granite are examples of this type of rock.
What are igneous rocks?
300
Openings through which volcanic materials erupt.
What are vents?
300
These volcanoes are some of the world's largest volcanoes.
What are shield volcanoes?
300
This eruption is named for a volcano near the island of Sicily. It starts with a huge loud explosion, followed by smaller explosions.
What is a Vulcanian eruption?
300
Geysers and hot springs are examples of this item.
What is new volcanic activity?
400
These rocks may contain crystals of minerals that were once dissolved in water or pieces of shell or fossils of animals or plants.
What are sedimentary rocks?
400
Long, narrow vents
What are fissures?
400
These volcanoes have symmetrical cones with steep sides that are concave, or curving inward.
What are composite volcanoes?
400
These eruptions are named for a volcano in the Caribbean and are the most violent.
What are Peleean eruptions?
400
What is the oldest of the Hawaiian Islands?
What is Kauai?
500
Marble is an example of this type of rock.
What is a metamorphic rock?
500
Magma that flows out onto Earth's surface.
What is lava?
500
This volcano causes the most damage.
What is a composite volcano?
500
The Mount Saint Helens eruption in 1980 was an example of this type of eruption.