Examples of Igneous Rocks
Intrusive vs Extrusive
Vocabulary
Volcanoes
Earth's Structure
100
This rock appears as black "glass"
Obsidian
100
Does lava form intrusive or extrusive rocks?
extrusive
100
a scientist who studies volcanoes
Volocanologists
100
What type of volcano has the possibility to erupt at any time?
Active
100
Tectonic means the movement of what layer?
Crust
200
This rock is commonly used for homes, for instance as countertops in bathroom or kitchens
Granite
200
Which type of environment cools slower and therefore makes rocks with bigger crystals?
intrusive
200
The study of earthquakes
seismology
200
This type of volcano is built from particles and blobs of lava blown out of a single vent.
Cinder cones
200
The fluid portion of the mantle that has special properties
Asthenosphere
300
This type of rock makes up the Hawaiian islands
Basalt
300
Does diorite form in an intrusive or extrusive environment?
intrusive
300
an opening in Earth's crust where lava, cinders, ash, and gases come to the surface
volcanoes
300
Mount Rainier in Washington is a good example of what type of volcano?
Stratovolcano
300
the hard outer layer of Earth made of crust and hard, upper mantle; broken into tectonic plates
lithosphere
400
This rock is known for its Styrofoam like consistency
Pumice
400
Intrusive environments contain what type of molten rock?
Magma
400
A section of Earth's lithosphere
plate
400
Crater Lake in Oregon is the one of the ten deepest lakes in the world formed from the depression left by a volcanic eruption. This landform is referred to as what?
Caldera
400
The mantle can be broken into what two subsections
lithosphere and asthenosphere
500
This rock is sometimes referred to as "welded" due to its materials coming together under extreme heat
Tuff
500
Does scoria form in an intrusive or extrusive environment?
extrusive
500
forms when melted rock hardens
igneous rocks
500
All of Yellowstone National Park is considered a compound volcano because it includes what 5 types of volcanic landforms?
1. lava falls 2. geysers 3. hot springs 4. calderas 5. cinder cones
500
the solid rocky surface and the interior of Earth
geosphere