Rocks and Minerals

What is the color of a mineral's POWDER called?

• Streak

• Luster

• Hardness

What is the "breaking down" of rock called?

• Erosion

• Deposition

• Weathering

Gold is a shiny mineral that reflects light. What property of gold does the word shiny describe?

• Hardness

• Luster

• Streak

What scale is used to measure the hardness of a mineral?

• Miller's Hardness Test

• Harry's Hardness Scale

• Mohs Hardness Scale

Calcite is a 3 on the hardness scale and Quarts is an 8. Which is harder, Calcite or Quartz?

• Calcite

• Quartz

This is a beautiful piece of clear quartz. When you hit quartz with a small hammer it breaks in a rough, jagged way. What type of breakage does quartz have?

• Cleavage

• Fracture

Gypsum is a 2.5 on the Mohs Hardness Scale and Magnetite is a 6. Which mineral is softer, Gypsum or Magnetite?

• Gypsum

• Magnetite

Sulfur has a dull yellow mineral. What property does the word dull describe?

• Streak

• Luster

• Hardness

What property of minerals is the easiest to determine?

• Color

• Streak

• Hardness

What are the 3 major types of rocks?

• Igneous, Metamorphic, Sedimentary
• Metamorphic, Igneous, Cementation
• Brown, Red, Gray
• Streak, Hardness, Breakage