a. heat and melting
b. heat and pressure
c. pressure and gas
a. weathering
b. construction
c. earthquakes
A solid mixture of crystals...
a. of TWO or more minerals
b. of only ONE mineral
c. with NO minerals
a. obsidian, granite, shale
b. conglomerate, gneiss, basalt
c. marble, gneiss, schist
a. obsidian, granite, pumice
b. basalt, shale, marble
c. pumice, shale, schist
a. marble, granite, shale
b. sandstone, conglomerate, shale
c. basalt, schist, gneiss
a. Can I touch it? Does it smell good? Is it hard?
b. Does it have a crystal structure? Is it non-living? Is it formed in nature?
c. Is it pretty? Does it weigh a lot? Does it have a hard structure?
a. marble
b. gneiss
c. schist
a. sandstone
b. shale
c. conglomerate
a. streak, hardness, color
b. smell, sight, sound
c. taste, fracture, light
-small crystals
a. obsidian
b. granite
c. pumice
d. basalt
-gritty or sandy in texture
-air bubbles
-glassy or smooth