GeoTest1 prep

According to the Big Bang theory, _________

• The Universe is much older than the Earth

• the Earth and the Universe formed at the same time

• the Earth is much older than the rest of the Univerise

• 
  there is no way of knowing how old the Universe might be

Which of the following minerals is the hardest? 

• talc

• quartz

• Corundum

• Gypsum

Which mineral property is illustrate by the peeling of muscovite mica into thin flat sheets? 

• fracture

• Streak

• Cleavage

• Hardness

The streak of a mineral can be used to identify which of the following mineral groups? 

• Halides

• Silicates

• Metallic minerals

• Carbonate

Which mineral is harder than quartz? 

• Diamond, calcite, fluorite

• Talc, gypsum, and topaz

• Topaz, corundum, and diamond

• Feldspar, apatite, and talc

Which of the following is a mineral? 

• Ice

• Cubic zirconia

• Obsidian

• Petroleum (oil)

An unknown mineral reacts (fizzes) when hydrochloric acid is applied to it.  Based on the reaction and presence of gas bubbles, which of the following minerals is this most likely to be?  

• Ice

• Cubic zirconia

• Calcite

• Petroleum (oil)

Hardness refers to a mineral's ability to resist _______.

• 
  Weathering

• Chemically reacting with other substances

• Being scratched

• Breaking

The tendency for minerals to break along distinct planar surfaces that have a specific orientation in relation to the crystal structure is called _______

• Specific gravity

• Cleavage

• Fracture

• Hardness

The color of a mineral in powdered form is termed ________

• colour

• Luster

• Streak

• Specific gravity