WorksheetsGeo 2A
Total questions: 20
Worksheet time: 10mins
Which of the following is a requirement for something to be classified as a mineral?
It must be formed by living organisms
It must be a liquid
It must occur naturally
It must change shape easily
Why are coal and fossil fuels NOT considered minerals?
They are solids
They are organic
They lack crystal structure
They are too soft
Which statement describes the atomic structure of a mineral?
Atoms are randomly arranged
Atoms are loosely connected
Atoms are arranged in a repeating pattern
Atoms only bond under pressure
How many physical properties are commonly used to identify minerals?
4
5
6
7
Which mineral property is easiest to observe but least reliable?
Hardness
Color
Density
Streak
A mineral that reflects light like polished metal has what type of luster?
Dull
Glassy
Nonmetallic
Metallic
Which tool is used to measure a mineral’s resistance to scratching?
Streak plate
Balance
Mohs Hardness Scale
Magnet
Which mineral is the softest on the Mohs Hardness Scale?
Quartz
Diamond
Talc
Calcite
What does a mineral’s streak represent?
The color of its surface
The color of its powder
The way it reflects light
The way it breaks
Why is streak more reliable than color for identifying minerals?
It changes with heat
It depends on lighting
It remains constant
It shows hardness
Density is best described as:
Mass × volume
Volume ÷ mass
Mass ÷ volume
Weight ÷ size
A mineral that breaks along smooth, flat surfaces shows:
Fracture
Crystallization
Density
Cleavage
Jagged or uneven mineral breakage is called:
Cleavage
Fracture
Luster
Streak
Large mineral crystals form when magma cools:
Very quickly
Quickly
Slowly
Instantly
What happens when magma cools very quickly?
Large crystals form
Small crystals form
No crystals form
Density increases
Which mineral property is demonstrated when calcite bubbles in weak acid?
Hardness
Density
Special properties
Luster
Which mineral is known for being magnetic?
Quartz
Halite
Calcite
Magnetite
Where are sand, gravel, and rocks most commonly obtained?
Mines
Oceans
Quarries
Volcanoes
What is “land won ore”?
Ore mined from under the ocean
Ore recycled from products
Ore found at Earth’s surface
Ore mined underground
Which action best helps preserve mineral resources for the future?
Mining deeper deposits
Using minerals faster
Recycling mineral-containing products
Importing minerals
