Life Science (grade 11)

For 2 points, which of the following properties may vary for different samples of a given mineral?

• hardness

• color

• luster

• streak

Which minerals has a resinous luster?

• calcite

• diamond

• quartz

• sulfur

which of the following is a physical property of minerals?

• chemical make-up

• bonding formation

• fracture

• viscosity

Which carbonate mineral reacts readily with cool, dilute hydrochloric acid to produce visible bubbles of carbon dioxide gas?

• calcite

• gypsum

• plagioclase

• quartz

What is the hardest known mineral on earth?

• diamond

• muscovite

• native gold

• silicate

For 5 points, which common mineral is composed entirely of silicon and oxygen?

• calcite

• diamond

• olivine

• quartz

What characteristics of a mineral refers to resistance to abrasion?

• cleavage

• hardness

• luster

• streak

Sedimentary rocks account for about how much in the total percentage of rocks found in all continents?

• 20

• 50

• 35

• 75

Which of the following best suits the definition of a mineral?

• clastic and mafic

• foliated and amorphous

• naturally occurring and crystalline

• organic and solution

On Mohs hardness scale, which is the softest mineral?

• apatite

• calcite

• quartz

• talc