Rocks and minerals

Which mineral is nonmetallic, harder than glass, no cleavage and looks like green sand grains

• olivine

• sulfur

• galena

• pyrite

All minerals must be

• solid

• liquid

• man made

• carbon

Minerals have different physical properties because of their

• color and type of luster

• atomic arrangement

• streak and hardness

• density and magnetism

Bowen's Reaction Series indicates the relative temperatures at which specific minerals crystallize as magma cools. Which statement is best supported by Bowen's Reaction Series?

• Biotite mica is the first mineral to crystallize as magma cools.

• Most minerals crystallize at the same temperature.

• Most felsic minerals usually crystallize before most mafic minerals.

• quartz is the last minerals to crystallize as magma cools.

The solar system formed from a

• space time odyssey

• specula

• explosion

• contracting cloud of gas and dust

An igneous rock with a mineral composition of 20% quartz, 50% potassium feldspar, 15% plagioclase feldspar, 10% muscovite, and 5% biotite is called

• Komatiite

• Andesite

• Basalt

• Granite

Which relative concentrations of elements are found in a felsic rock?

• a high concentration of magnesium and a low concentration of silica

• a high concentration of iron and a low concentration of silica

• a high concentration of silica and a low concentration of iron

• a high concentration of magnesium and a low concentration of iron

Which processes lead directly to the formation of igneous rock?

• heat and pressure

• weathering and erosion

• compaction and cementation

• melting and solidification

Which processes lead directly to the formation of sedimentary rock?

• heat and pressure

• weathering and erosion

• compaction and cementation

• melting and solidification

What happened 4.6 billion years ago?

• our sun started shining

• the Milky Way fell apart

• Earth's youngest rock was created

• our solar system formed

Tags

NGSS.HS-ESS1-6