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100
This is needed to melt rocks to turn them into magma.
What is heat?
100
A volcano that has erupted recently, within the last decade.
What is active?
100
Built by layers of ash and cinders, sandwiched between layers of hardened lava.
What are composite volcanoes?
100
____________________can be planted on sand dunes to reduce erosion.
What is grass?
100
This is needed to compress rocks to turn them into magma.
What is pressure?
200
A volcano that will never erupt again.
What is dead/extinct volcano?
200
Built by thick lava that is thrown high into the air and falls in chunks or cinders.
What are cinder-cone volcanoes?
200
A stationary pool of magma.
What is hotspot?
200
An outpouring of melted rock, ashes, or gas.
What is eruption?
200
Particles of soil and rock that are carried away by erosion.
What is sediment?
300
Type of weathering caused by temperature changes, pushing, and pulling.
What is physical weathering?
300
The agent of erosion that can cause landslides.
What is gravity?
300
Agent of erosion that affects continental coastlines.
What is waves?
300
The largest and deepest underground magma formation.
What is batholith?
300
Agent of erosion that carries sediments into floodplains.
What is running water?
400
When a _____________forms it may raise the rock layers above it.
What is laccolith?
400
Volcanoes are more likely to erupt at _________________________ than anywhere else on Earth.
What is plate boundaries?
400
A volcanic mountain made from thin, fast-flowing, lava.
What is shield volcano?
400
Agent of erosion that is capable of carrying sediment from Midwestern states to the East coast.
What is wind?
400
Forms when magma hardens in vertical or nearly vertical cracks.
What are dikes?
500
Process that takes place after erosion.
What is deposition?
500
Process through which rocks or other materials are broken down.
What is weathering?
500
Type of weathering that changes the chemical makeup of materials.
What is chemical weathering?
500
Agent of erosion that had a big influence on Minnesota's landscape as it affected Minnesota 20 times in a period of 2 million years.
What is glaciers?
500
A volcano that is capable of erupting but has not erupted in many years.
What is dormant?