Hot Rocks 9.3 Flashcards
1
Q
Igneous rocks
A
Rocks that form from the cooling of lava or magma as its thrown through the air from the volcanic eruption
2
Q
Extrusive rocks
A
Igneous rocks that forms when lava cools above the earths surface
3
Q
Pumice
A
Pale rock that forms when the lava cools in the air.
4
Q
Scoria
A
A igneous rock formed for the lava that cools quickly
5
Q
Abrasive
A
A property of a material or substance that can easily scratch another
6
Q
Basalt
A
Igneous rock with tiny crystals formed by fast cooling
7
Q
Obsidian
A
Glassy rocks that break into pieces with smooth surfaces
