MINERALS AND ROCKS

It deals with the earth's physical structure and substances, its history, and the processes that act on it.

• Biology

• Earth Science

• Geology

• Geography

There 4000 naturally occurring minerals and 60 to 80 minerals are discovered every year.

• TRUE

• FALSE

Minerals have no definite volume and rigid shape and chemically and physically uniform down to the atomic level.

• TRUE

• FALSE

Which of the following statement does not describe a MINERAL?

• Minerals are NATURALLY OCCURING

• Minerals are CHEMICALLY INORGANIC

• Minerals are HOMOGENEOUS SOLIDS

• Minerals are CHEMICALLY ORGANIC

It's the resistance of minerals to scratching.

• STREAK

• HARDNESS

• CLEAVAGE

• DIAPHANEITY

Degree of transparency of mineral.

• STREAK

• HARDNESS

• CLEAVAGE

• DIAPHANEITY

Mineral's resistance to being broken and fracture

• STREAK

• HARDNESS

• CLEAVAGE

• DIAPHANEITY

it's the color that minerals display in finely powdered form.

• STREAK

• HARDNESS

• CLEAVAGE

• DIAPHANEITY

This is formed from the hardening and crystallization of magma.

• IGNEOUS ROCK

• SEDIMENTARY ROCK

• METAMORPHIC ROCK

This is formed from a rock's exposure to high heat and pressure or hot mineral-rich fluid.

• IGNEOUS ROCK

• SEDIMENTARY ROCK

• METAMORPHIC ROCK