Physics 203 Exam -Questions 2025/2026 with 100%
Correct Solutions
least reliable way to identify mineral?
color of mineral
Is the earth static?
No
What is a mineral?
naturally occurring solid inorganic object with definite chemical structure
What is Pulverize?
color of mineral in powder form (streak) ( is more reliable than regular color)
What is luster?
how mineral reflects light
What is lava?
magma coming out of the earth
What is Hardness?
resistance to scratching or rubbing
What is the Mohs Scale?
hardness scale
What type of rock does lava crystallize to?
, igneous
How do Different size crystals develop?
depends on how fast it cools
where and from what does Intrusive rock/plutonic rock form?
inside the earth (from magma)
where and from what does Extrusive rock/volcanic rock form?
igneous rock outside core, from crystallization of lava
what can destroy rocks?
Weathering, animals, bacteria, erosion
When rocks break down into sediments and that sediment compact on top of one another,
what type of rock is formed?
sedimentary rock
What is Metamorphic rock ?
rock formed from other rock based on heat, pressure or chemical change
What is the lowest mineral on the mohs scale?
#1 = talc
What is the highest mineral on the mohs scale?
#10 = diamond
what causes a Rock's shape to be warped?
Correct Solutions
least reliable way to identify mineral?
color of mineral
Is the earth static?
No
What is a mineral?
naturally occurring solid inorganic object with definite chemical structure
What is Pulverize?
color of mineral in powder form (streak) ( is more reliable than regular color)
What is luster?
how mineral reflects light
What is lava?
magma coming out of the earth
What is Hardness?
resistance to scratching or rubbing
What is the Mohs Scale?
hardness scale
What type of rock does lava crystallize to?
, igneous
How do Different size crystals develop?
depends on how fast it cools
where and from what does Intrusive rock/plutonic rock form?
inside the earth (from magma)
where and from what does Extrusive rock/volcanic rock form?
igneous rock outside core, from crystallization of lava
what can destroy rocks?
Weathering, animals, bacteria, erosion
When rocks break down into sediments and that sediment compact on top of one another,
what type of rock is formed?
sedimentary rock
What is Metamorphic rock ?
rock formed from other rock based on heat, pressure or chemical change
What is the lowest mineral on the mohs scale?
#1 = talc
What is the highest mineral on the mohs scale?
#10 = diamond
what causes a Rock's shape to be warped?
