What is FALSE.
Minerals are made naturally on Earth. Rocks are made up of minerals.
100
minerals that form from a tetrahedron molecule of 1 silicon and 4 oxygen
what is silicates
100
what are the four states of matter
What is plasma, solids, liquids, and gases
200
Is the color of the mineral it it's original form always the same as the color of it's powdered form when you test it's streak?
No, the streak can be a different color on the tile from it's original color.
Example: Hemtatite
200
Ice is a mineral but water is not. Why is water not a mineral?
Liquid. Needs to be a solid (one of the 5 characteristics of a mineral).
200
An atom is made up of at least more than one molecule
What is FALSE.
Molecules are made up of more than one atom.
200
the most common mineral group, making up approximately 96% of all minerals
What is silicates
200
this type of bond shares electrons unequally
What is polar covalent
300
Name two different descriptions of a non-metallic luster.
glassy, earthy & dull.
300
The two ways a crystal can form
What is the cooling of magma and what is evaporation of a mineral solution.
300
Quartz can scratch Diamond.
What is FALSE.
Diamond is the toughest mineral. Only diamond can scratch diamond.
300
minerals that are economically valuable
What is an Ore
300
this type of bond shares electrons in a "sea" around the + ions
What is metallic bond
400
way a mineral reflects light from its surface
what is luster
400
Is coal a mineral? hint: It is made from the remains of vegetation.
No because it is organic. It is made from the remains of vegetation.
400
The two samples of the mineral pyrite have different densities.
What is FALSE.
Minerals of the same type have the same density no matter what the size.
400
table salt mineral group
What are Halides
400
this type of atom has the same number of protons, but different numbers of neutrons
What is isotope
500
Using Moh's Scale of Hardness:
which minerals can scratch a steel file but can be scratched by window glass?
What is Quartz and Orthoclase.
500
a mineral that splits easily along smooth flat planes
what is cleavage
500
The most likely way for a crystal to form is by boiling.
What is FALSE.
Evaporation results in crystal formation in a solution and cooling for crystal formation in magma/lava.
500
the four most common elements in Earth's crust are
What is Oxygen, Silicon, Aluminum, Iron
500
__________ are substances that are composed of 2 or more different elements
__________ are substances that are composed of 2 or more different/same elements