8th Earth Science Vocabulary 2

What are mountains that form when magma pushes up on Earth's crust but does not break through?

• Folded

• Dome

• Fault-blocked

• Ridged

What is a section of the lithosphere that slowly moves over the asthenosphere, carrying pieces of continental and oceanic crust

• Plate Tectonics

• Subduction

• Plate

• Hot spot

Tags

NGSS.MS-ESS2-3

What is a low, flat, gently sloping volcano built from many flows of fluid, low-viscosity basaltic lava.

• Cinder cone volcano

• Composite volcano

• Dome volcano

• Shield volcano

What is a dark, dense, igneous rock with a fine texture, found in oceanic crust?

• Basalt

• Granite

• Porphyritic

What is a volcano made of alternating layers of lava and pyroclastic material; also called stratovolcano?

• Cinder cone volcano

• Composite volcano

• Dome volcano

• Shield volcano

Tags

NGSS.MS-ESS3-2

What is the process in which new material at a ridge or rift pushes older material aside, moving the tectonic plates away from each other?

• Ridge push

• Slab pull

• Fault-block push

• Rift zone

What are mountains made of huge, tilted blocks of rock separated from surrounding rock by faults?

• Folded

• Dome

• Fault-blocked

• Ridge pull

What is a small, steeply sloped volcano that forms from moderately explosive eruptions of pyroclastic material?

• Cinder cone volcano

• Composite Volcano

• Dome volcano

• Shield volcano

What are mountains formed when horizontal rock layers are squeezed from opposite sides?

• Folded

• Domed

• Fault-blocked

• Ridge pushing

What is molten rock beneath the earth's surface?

• Lava

• Magma

• Porphyritic