Chapter 9.3 - Hot Rocks Flashcards
1
Q
Igneous rocks
A
Rocks that form from the cooling of lava
2
Q
Extrusive rocks
A
Igneous rocks forms when lava cools above ground
3
Q
Pumice
A
A pale rock that forms when lava gets thrown through the air and cools (it can float)
4
Q
Scoria
A
A dark, igneous rock formed from gassy lava
5
Q
Abrasive
A
A material or substance that scratches others easily
6
Q
Basalt
A
A dark igneous rock that forms from quick cooling lava
7
Q
Obsidian
A
A black glassy rock that breaks into pieces
