Mineral In-Class Review

Which mineral shown in the picture, demonstrates perfect cleavage due to how the ionic bonds break along their planes?

• Mica

• Pyrite

• Halite

• Quartz

• Feldspar

Which of the following mineral tests will allow you to determine the identify of an unknown mineral?

• Specific Gravity

• Amount of inorganic matter

• Streak

• Temperature

• Reactivity to acid

You have a steel file with a hardness of 6.5 and use it to perform Moh's Hardness Test on an unknown mineral. Which of the following can the steel file scratch?

• Calcite (Hardness of 3)

• Apatite (Hardness of 5)

• Quartz (Hardness of 7)

• Feldspar (Hardness of 6)

• Corundum (Hardness of 9)

The cleavage properties of mica are a result from the -

• Alternating layers of silica and aluminum

• Weak bonds between it's flat layers

• Strong covalent bonds within the dense carbon clusters

• Metallic bonds between all of the elements present

• All of the rough, jagged edges produced when it breaks

Which mineral is most likely an ingredient used to make baby powder?

• Graphite

• Pyrite

• Corundum

• Talc

• Quartz

Students going on a Geology field trip plan to identify minerals out in the field by their streak. Which of these tools should the students bring on their field trip?

• A long, pointed iron rod

• A rough, white ceramic tile

• A disposable sample of talc

• A low-powered telescope

• A copper penny

The uppermost layer of the Earth's mantle where convection occurs is known as the -

• Lithosphere

• Mesosphere

• Asthenosphere

• Exosphere

• Thermsophere

The rocky outermost layer of the Earth, also known as the crust, is called the -

• Thermosphere

• Mesosphere

• Rockysphere

• Lithosphere

• Asthenosphere

What are the two most common elements that are found in the Earth's inner core?

• Carbon & Oxyen

• Silicon & Aluminum

• Nitrogen & Oxygen

• Vibranium & Adamantium

• Iron & Nickel

The two most prevalent elements found in the crust of the Earth are -

• Nitrogen & Carbon

• Carbon & Oxygen

• Oxygen & Silicon

• Nitrogen & Oxygen

• Silicon & Carbon