Is it a Mineral?
True or False: a Tree is a mineral
False- inorganic
The definition of a mineral is...
naturally occurring, inorganic solid with a definite chemical composition and an orderly arrangement of atoms.
A crystal is a _________ in which atoms are arranged in _______, ________ patterns
A crystal is a solid in which atoms are arranged in orderly, repeating patterns.
Cubic crystals have all _____ degree angles with all sides of ______ length
90 degrees, equal length
True or False: Crystals can form where you can't see them
True
True or False:Quartz is a mineral
True
Define "Naturally Occurring"
No input from humans
Magma is...
hot melted rock under the Earth's surface
Hexagonal crystals have _____ number of sides
6 sides
True or False: All minerals are also rocks
False
True or False: Ice Cubes are a mineral
False- not naturally occurring
Define "Inorganic"
Not made by life processes
ex: pearls are made from oysters, coal from dead plant material
What happens to magma when it cools?
Which shape is quartz mineral?
Hexagonal
How many different crystal shapes are there?
Six Shapes
True or False: a pearl is a mineral
True or False: All solids are minerals
False: all minerals are solids but not all solids are minerals
The slower the magma cools...
The larger the individual crystals
Which crystal shape is a brick pushed over?
Monoclinic
What is magma called when it is on the earth's surface?
Lava
True or False: Salt is a mineral
True: also known as Halite
Does a mineral require both definite chemical composition AND regularly repeating atoms?
Yes
True or False: Crystals can be made from a solution
True: Sea water is a solution, when the water is evaporated the crystals are left behind.
Which crystal shape has no 90 degrees?
Triclinic
True or False: Amber is a mineral
False: it is made from resin of trees millions of years ago.