Minerals and Sedimentary Rocks Review

In which group are all earth materials classified as minerals?

• feldspar, quartz, and olivine

• granite, rhyolite, and basalt

• cobbles, pebbles, and silt

• conglomerate, sandstone, and shale

Tags

NGSS.MS-ESS3-1

Igneous, sedimentary, and metamorphic rocks are usually composed of

• intergrown crystals

• fossils

• minerals

• sediments

Tags

NGSS.MS-ESS3-1

Although more than 2000 minerals have been identified, 90% of Earth's lithosphere is composed of the 12 minerals listed.

The best explanation for this fact is that most rocks

• are monomineralic

• are composed only of recrystalized minerals

• have a number of minerals in common

• have a 10% nonmineral composition

Tags

NGSS.MS-ESS2-1

Which 2 mineral samples would be most difficult to distinguish from each other based on their color, luster, and streak?

• halite and quartz

• halite and gold

• galena and quartz

• galena and gold

Which 2 mineral samples most likely have a similar internal arrangement of atoms?

• galena and quartz

• galena and halite

• gold and halite

• gold and galena

Tags

NGSS.MS-PS1-1

(USE REFERENCE TABLE)

Which mineral shows no cleavage, has a hardness of at least 6.5, and a composition of SiO₂?

• Graphite

• Garnet

• Halite

• Quartz

Tags

NGSS.MS-PS1-1

Halite has three cleavage directions at 90^o to each other. Which model best represents the shape of a broken sample of halite?

• 
• 
• 
• 

Which Diagram best shows the grain size of some common sedimentary rocks?

• Sandstone Shale Siltstone

  <---Smaller Grain Larger--->

• Shale Siltstone Sandstone

  <---Smaller Grain Larger--->

• Siltstone Shale Sandstone

  <---Smaller Grain Larger--->

• Siltstone Sandstone Shale

  <---Smaller Grain Larger--->

Two minerals made of pure carbon are diamond and graphite. Which statement best explains why diamond is so much more resistant to scratching than graphite?

• The atoms are lighter in graphite than in diamond.

• The atoms are heavier in graphite than in diamond.

• The atoms are bonded together more strongly in diamond than in graphite.

• The atoms are smaller in graphite than in diamond.

Which property best describes a rock which has formed from sediments?

• crystalline structure

• distorted structure

• banding or zoning of minerals

• fragmental particles arranged in layers