JMS Rocks & Minerals Review

Front

Is coal a mineral?

Back

No because it is made from organic matter and minerals must be inorganic.

Front

A student has found an object that she thinks is a mineral. What question should she first ask in determining if the object is really a mineral?

Back

Does the object have a crystal structure?

Front

What value is given to the hardest mineral on the Mohs scale?

Back

10

Front

What mineral property is being shown? Options: density, cleavage, streak, fracture

Back

fracture

Front

A student is investigating several samples of rock. The student notices that all of the rocks look layered, as if they had been pressed together. What type of rock does this student most likely have?

Back

sedimentary

Front

What is the difference between cleavage and fracture?

Back

Cleavage describes a mineral breaking along flat, even surfaces; fracture describes a mineral breaking along rough or curved surfaces.

Front

How can a metamorphic rock become an igneous rock?

Back

It would have to be melted and cooled.

Front

What is the relationship between rocks and minerals?

Back

Rocks are mainly composed of minerals.

Front

If you were trying to find out if a mineral sample is indeed hematite, what is the best property test to perform? Options: Rubbing the mineral across a tile to discover what color streak it has., Scratching a knife into the mineral to find out its cleavage., Drawing and coloring a picture of the mineral to note its color., Putting the mineral on a scale to weigh it.

Back

Rubbing the mineral across a tile to discover what color streak it has.

Front

How could an igneous rock become a metamorphic rock?

Back

It would have to undergo heat and pressure.