A mineral is identified by its properties
What type of break is it when a mineral breaks along flat surfaces?
1) Fractures
2) Cleavage
Cleavage
Which of the following is NOT a characteristic of a mineral?
1) Forms in nature
2) Can be a solid, liquid, or gas
Can be a solid, liquid, or gas
What is it called when a mineral breaks into irregular pieces?
1) Cleavage
2) Fracture
Fracture
The new (device) will be used to purify water.
1) A machine or tool used for a particular purpose
2) The amount of space an object takes up
A machine or tool used for a particular purpose
We returned the diamond ring because it had a (defect).
1) An imperfection or blemish
2) The way in which light reflects from its surface
An imperfection or blemish
Which of the following is the least reliable clue to determine a mineral's identify?
1) Its density
2) Its color
Its color
Why is a perfect crystal rare?
1) Natural elements erode crystal structures
2) Large, open, & uninhabited spaces are rare within Earth's crust.
Large, open, and uninhabited spaces are rare within Earth's crust.
Which mineral is common in seashells?
1) Oxygen
2) Calcite
Calcite
A mineral is a substance that has a (definite) chemical makeup.
1) The amount of space an object takes up
2) Not likely to change
Not likely to change
(Unglazed) tiles are cheap, but they are not attractive.
1) The resistance of a mineral or other material to being scratch
2) Not having a shiny coating
Not having a shiny coating
How can two minerals of different colors be identified as the same mineral?
1) By comparing their cleavage
2) By comparing their streak
By comparing their streak
Which of the following is true of a mineral found in both China and Spain?
1) The mineral in China is darker than the mineral in Spain
2) Both minerals have the same chemical make up
Both minerals have the same chemical make up
What is usually joined with oxygen to create an oxide?
1) A liquid
2) A metal
A metal
The cake was divided into equal (proportions) for all of the staff.
1) A part considered in relation to the whole
2) A usually light-colored, coarse-grained igneous rock
A part considered in relation to the whole
A mineral's surface (luster) can become dull if it has been exposed to water.
1) An imperfection or blemish
2) The way in which light reflects from its surface
The way in which light reflects from its surface
A small amount of gold is heavier than a large amount of pyrite. What can be concluded of pyrite and gold?
1) They have different lusters
2) They have different densities
They have different densities
What causes two minerals of the same chemical composition to have different crystal structures?
1) Arrangement of atoms
2) Location of growth
Arrangement of atoms
What is the Mohs scale based on?
1) The atomic arrangement of atoms
2) The fact that a harder mineral will scratch a softer one
The fact that a harder mineral will scratch a softer one
An atom is the smallest particle an (element) can be divided into.
1) A substance that cannot be broken down into a simpler substance by ordinary chemical changes
2) Made liquid by heat
A substance that cannot be broken down into a simpler substance by ordinary chemical changes
Gold and pyrite look very similar, but their (densities) differ greatly.
1) The amount of mass in a given volume of the substance
2) The way in which light reflects from its surface
The amount of mass in a given volume of the substance
What is the difference between talc and diamond in terms of hardness?
1) Talc is the softest of all minerals; diamond is the hardest of all minerals
2) Talc is the hardest of all minerals; diamond is the softest of all minerals
Talc is the softest of all minerals; diamond is the hardest of all minerals
What percentage of the rocks in Earth's crust is made up of silicates?
1) 10%
2) 90%
90%
How are carbonate minerals different from other minerals?
1) They are fluorescent
2) They react to acid
They react to acid
Each mineral has its own type of (crystal) structure.
1) The amount of space an object takes up
2) A solid in which the atoms are arranged in an orderly, repeating 3D pattern
A solid in which the atoms are arranged in an orderly, repeating three-dimensional pattern
It is important to use sunblock to protect ourselves from (ultraviolet) rays.
1) An imperfection or blemish
2) Consisting of rays from the invisible part of the spectrum beyond violet in the visible spectrum that have an effect on the skin
Consisting of rays from the invisible part of the spectrum beyond violet in the visible spectrum that have an effect on the skin