Mineral Formation

Quiz
•
Science
•
6th Grade
•
Hard
Standards-aligned
Lisa Thompson
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
In class you learned that there are five criteria that make a mineral, a mineral. Based on what you learned, what are the five criteria?
Solid, Naturally Occurring, Inorganic, Fixed Chemical Formula, and Crystal Structure.
Fixed Chemical Formula, Organic, Living, Bright Color, and Crystal Structure.
Inorganic, Naturally Occurring, Plastic, Solid, and Fixed Chemical Formula.
Organic, Naturally Occurring, Crystal Structure, Solid, and Liquid.
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Minerals form as magma cools deep beneath the surface
True
False
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following is NOT a way minerals can form?
Crystallization from dissolved materials in water
Crystallization of magma and lava
Evaporation of solutions
Condensation of gases
Answer explanation
Minerals can form through crystallization from dissolved materials, magma, and evaporation of solutions. However, condensation of gases is not a recognized method for mineral formation.
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What happens when solutions evaporate in mineral formation?
Crystallization occurs
The solution turns into gas
The minerals dissolve further
The solution becomes a gemstone
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is crystallization?
The process of melting minerals
The process of breaking down rocks
The process of heating minerals to form gases
The process of solidifying particles in a liquid to form crystals
Answer explanation
Crystallization is the process by which a solid forms from a liquid or gas where the atoms or molecules are highly organized into a structured pattern known as a crystal.
Here's a breakdown:
Ordered Structure: In a crystal, the atoms or molecules are arranged in a specific, repeating three-dimensional pattern. This arrangement minimizes their energy.
Formation: Crystallization can occur through various methods, including:
Precipitation from a solution: When a substance dissolves in a liquid and the solution becomes supersaturated (contains more solute than it can normally hold), the excess solute may precipitate out as crystals.
Freezing: When a liquid cools, its molecules slow down and eventually become locked into a fixed, crystalline arrangement.
Deposition from a gas: In some cases, crystals can form directly from a gas phase, such as the formation of snowflakes.
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is a geode?
A type of metal ore
A vein of pure metal
A type of gemstone
A rounded, hollow rock lined with mineral crystals
Answer explanation
A geode is a geological formation that starts as a hollow rock, often spherical or egg-shaped.
Here's the gist:
Formation:
Hollow Space: It begins with a hollow space within a rock, like a gas bubble in volcanic rock or a cavity formed by the decay of an organism.
Mineral Deposition: Over time, mineral-rich water seeps into this hollow space.
Crystal Growth: As the water evaporates, minerals begin to crystallize on the inner surface of the rock. This process can take millions of years.
Appearance:
Outside: Geodes often appear unremarkable on the outside, looking like ordinary rocks.
Inside: When cut open, they reveal a dazzling display of crystals lining the inner cavity. These crystals can vary greatly in color and type, including amethyst, quartz, calcite, and more.
In essence, geodes are like nature's hidden treasure chests, waiting to be discovered.
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is ore?
A type of crystallized water
A pure metal vein
A rock that contains a metal or valuable minerals
A type of gemstone
Answer explanation
Ore is a naturally occurring rock or sediment that contains one or more valuable minerals, typically including metals, concentrated above background levels, and that is economically viable to mine and process.
Here's a simple breakdown:
Contains valuable minerals: Ores aren't just any old rocks; they have a significant concentration of useful substances within them. These are often metals like iron, copper, gold, or even things like diamonds.
Economically viable: It wouldn't make sense to mine a rock if it costs more to extract the valuable minerals than those minerals are worth. Ores are mined because the value of what they contain outweighs the cost of extraction.
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