 Can a mineral scratch a mineral with a higher hardness number or a lower hardness number?

 Lower number

 If a mineral is shiny, does that mean it is metallic or nonmetallic?

 Metallic

 An unknown mineral is pale yellow, shiny nugget. The mineral leaves a greenish-black streak, and cannot be scratched by fluorite. What is it?

 Pyrite

 An unknown metallic gray mineral leaves a gray streak. The crystals appear cubic. When it breaks, it breaks with clear, clean cleavage. It scratches gypsum. What is it?

 Galina

 An unknown mineral is shiny, silvery-white and leaves a light gray streak. It is hard enough to scratch calcite. Is it silver?

 No

 An unknown mineral has a deep red color that looks like a gem. It leaves a colorless streak and is harder than quartz. Could it be a garnet?

 Yes

 What type of rock is most likely at location 1?

 Metamorphic

 What type of rock is most likely at location 2?

 Intrusive igneous

 What type of rock is most likely at location 3?

 Sedimentary

 What type of rock is most likely at location 4?

 Extrusive igneous

 What kind of rock is most likely at location A?

 Sedimentary

 What kind of rock is most likely at location B?

 Metamorphic

 What kind of rock is most likely at location C?

 Intrusive igneous

 What kind of rock is most likely at location D?

 Sedimentary

 What kind of rock is formed after rocks weather and erode?

 Sedimentary

 What type of rock is most likely to form when rocks melt and cool?

 Igneous

 Which type of rock is formed when rocks undergo heat and pressure?

 Metamorphic

 What word should go in circle A?

 Sediment

 What word should go in circle B?

 Sedimentary rock

 What word should go in circle C?

 Magma

 What word should go in circle D?

 Igneous rock