QUIZ 2 - EARTH SCIENCE

Which physical property of a mineral describes its ability to resist scratching?

• Luster

• Hardness

• Cleavage

• Color

What term describes the way a mineral breaks along flat surfaces?

• Fracture

• Cleavage

• Streak

• Tenacity

Which property refers to the appearance of a mineral’s surface when light reflects off it?

• Luster

• Hardness

• Density

• Traansparency

How is the streak of a mineral determined?

• By rubbing the mineral on a porcelain plate

• By measuring its density

• By examining its crystal form

• By noting its color in transmitted light

What term is used for the mineral’s ability to transmit light?

• Color

• Transparency

• Luster

• Streak

Which physical property refers to the pattern in which a mineral’s ability to transmit light?

• Color

• Transparency

• Luster

• Streak

Which physical property refers to the pattern in which a mineral break unevenly, creating irregular surfaces?

• Cleavage

• Fracture

• Luster

• Streak

Which chemical property is crucial for distinguishing between minerals that have similar appearances but different chemical compositions?

• Color

• Hardness

• Reactivity

• Luster

Which chemical property involves a mineral’s ability to form ions and conduct an electric current?

• Solubility

• Conductivity

• Hardness

• Reactivity

What term describes the ability of a mineral to dissolve in water?

• Reactivity

• Solubility

• Hardness

• Specific gravity