Rocks and Minerals Review

The color of a mineral in powder form is called the mineral's 

• hardness
• specific gravity
• luster
• streak

Dull, silky, waxy, pearly, and earthy are terms that best describe which property of minerals?

• luster
• color
• streak
• cleavage

Which of the following properties does the Mohs scale measure?

• Luster
• Hardness
• Density
• Streak

_{^{Can a finger nail scratch fluorite?}}

• Yes 
• No 

Which physical property is the LEAST reliable in identifying an unknown mineral?

• Hardness
• Density 
• Color
• Streak

Which of the following describes a test a student could conduct to help identify a mineral?

• Rub the mineral on a white, unglazed tile and observe the color of the material left behind
• Carefully measure the mass of the sample of the unknown mineral
• Place the mineral in boiling water in order to identify its boiling point
• Compare the size of a mineral to the size of a known identity of another mineral

Scientists test for the hardness of a mineral by doing which of the following?

• Measuring the mass of the mineral, and comparing it against other minerals
• Observing how light reflects off the mineral and how the mineral looks as a result
• Observing the color of a mineral and comparing it against other minerals
• Scratching the mineral against other substances of known hardness

Which of the following shows the least complex to most complex? 

• Rocks --> Earths crust --> elements
• Rocks --> Earths crust --> minerals
• Elements--> Minerals --> Rocks
• Minerals--> elements --> rocks

This chart is an example of 

• Moh's Hardness Scale 
• Density 
• SNIFE
• Color & Streak 

All rocks are made up of - 

• Fossils
• Living things
• Minerals
• Cells