Igneous Rocks 1
igneous means...
"from fire"
Obsidian has ______texture
glassy
extrusive rock that floats
pumice
How manay layers of the earth are there?
4
What room number is this? (No looking outside)
D124
aa is ________lava
rough
rocks that form when molten rock cools and hardens are called
igneous rocks
obsidian
pumice ________on water
floats
When no one is absent, are there more boys or girls in this class?
girls
granite has ___________texture
coarse grained
pumice has _______texture
glassy
it is basically lava
basalt
The boundary the mantle and crust is called the (nickname ok)
The Moho
How many school days do ALL schools in the United States have?
180
Extrusive Igneous rocks cool and harden where?
above the surface
smooth lava is called___________
pahoehoe
coarse grained igneous rock with big crystals
granite
Extrusive igneous rocks have small or no crystals because they cool ___________on the surface
Name 5 elective class choices
answer will vary
the air bubbles in pumice are called
vesicles
Intrusive igneous rocks cool and harden where?
below the surface of the earth
What is the difference between magma and lava?
magma- molten rock underground
lava- molten rock on the surface
Why does granite have big mineral crystals?
It is intrusive. It cooled slowly within the earth, so the crystals had time to grow big
Math problem
# of yellow word wall cards +
# of blue chairs in the room +
# of rubber duckies in this room then subtract
# of lights in the ceiling of the room =
10 + 10 + 34 - 15 = 39