The World of Rocks and Minerals Quiz

Which type of rock is formed from cooled magma or lava?

• Sedimentary

• Metamorphic

• Igneous

• Mineral

Which term describes the color of a mineral in powdered form?

• Luster

• Streak

• Cleavage

• Igneous

Which mineral is found in pencils?

• Talcum

• Graphite

• Calcite

• Quartz

What is the significance of rock-forming minerals?

• They are rare

• They make up most of Earth's crust

• They are only found in oceans

• They are used in jewelry

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS3-1

Which mineral has a hardness of 10 on the Mohs scale?

• Talc

• Gypsum

• Diamond

• Feldspar

What is the hardness of talc on the Mohs scale?

• 1

• 2

• 3

• 4

What is the hardest mineral?

• Talc

• Gypsum

• Diamond

• Fluorite

What is the term for the color of the powder a mineral leaves?

• Luster

• Streak

• Cleavage

• Hardness

What is iron ore primarily used for?

• Making glass

• Building wooden houses

• Making steel

• Producing plastic

What is the role of iron in construction?

• It is used to make glass

• It is used to make steel beams

• It is used to make plastic

• It is used to make wood