how old was Washington when he died?
a) 48
b)67
c)59
B
What are some examples of minerals found in everyday items. (name at least 4)
Intrusive definition
Grows inside the Earth's crust
mineral definition
a solid inorganic substance of natural occurrence.
what is the most luminescent mineral
fluorite
What is a foliated rock?
A rock that has distinctive layers and crystals
what color represents passion
a) blue
b) orange
c)purple
d) red
D
Extrusive definition
Grows outside the Earth's crust
What is the rarest mineral
a) Painite
b) Red Beryl
c) Kashmir Sapphire
A
what minerals are on the moon
silicate minerals
sedimentary rock
A rock that contains other rocks and previously living things
what is the process called when crystals form
crystallization
How many hairs does the average female have on her head?
a) 120,945
b) 100,000
c) 483,932
B
what mineral(s) are used for cement
Limestone and clay
what is the most common gem
quartz
what are the 3 rock textures?
coarse-grained, fine-grade, and glassy
how do igneous rocks form
when hot, molten rock crystallizes and solidifies.
how does obsidian form
by the rapid cooling of viscous lava from volcanoes.
How many movies has Jim Carrey been in?
a) 44
b) 63
c) 54
C
What is the most rare gem?
Musgravite
The " Salt & Pepper " rock
diorite
Safety:
What is the most dangerous mineral?
Cinnabar (mercury sulphide - HgS)
nonfoliated
does not contain crystals or few
what types of minerals are used in electronics
tantalum, tin, tungsten and gold
How many species have gone extinct in the last 500 years?
a) 968
b) 4947
c) 869
C