Plate Tectonics
Magma
Eruptions
Landforms
Junk-n-Trunk
100
This is a weak spot in Earth's crust where magma comes to the surface...
What is a volcano?
100
This is a substance that can't be broken down into other substances...
What is an element?
100
This is where magma collects in a pocket...
What is a magma chamber?
100
These are the four types of landforms from lava and ash...
What are shield volcanoes, cinder cone volcanoes, composite volcanoes, and lava plateaus?
100
This is why volcanic soils are fertile...
What is because they contain potassium and phosphorus?
200
This is a molted mixture of rock-forming substances, gases, and water from the mantle...
What is magma?
200
This is a substance made of two or more elements that have been chemically combined...
What is a compound?
200
Two kinds of volcanic eruptions...
What is quiet eruption and explosive eruption?
200
This is the huge hole left by the collapse of a volcanic mountain...
What is a caldera?
200
This is an area where magma melts through the crust in the middle of a plate...
What is a hot spot?
300
This is a string of islands created by volcanoes...
What is an island arc?
300
This is the physical property of liquids...
What is viscosity?
300
This occurs when an explosive eruption hurls out a mixture of hot gases, ash, cinders, and bombs...
What is a pyroclastic flow?
300
This is the type of soil found around areas where volcanoes have erupted...
What is fertile volcanic soil?
300
This is why liquid magma flows upward through the curst...
What is because it is less dense than the solid material around it?
400
This is the type of boundary where an oceanic plate collides with a continental plate...
What are converging boundaries?
400
These are two difference types of lava...
What is aa (slower and cooler lava, high viscosity) and Pahoehoe (fast- moving lava, low viscosity)?
400
This is how geologists describe a volcano's stage of activity...
What is active, dormant, and extinct?
400
These are five landforms formed from magma...
What is volcanic necks, dikes, sills, batholiths, and dome mountains?
400
This determines the thickness of magma...
What is the more viscosity it contains?
500
This property produces a change in the composition of matter...
What is a chemical property?
500
This is the area covered by lava as it pours out of a vent...
What is a lava flow?
500
These are two examples of geothermal activity...
What are hot springs and geysers?
500
This is the reason ash, cinders, and bombs only occur in explosive eruptions...
What is because lava must be ejected forcefully from a volcano to break fragments that cool and harden quickly to form pieces of different sizes?
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