Minerals and Soil Quiz

Which soil horizon would contain the least amount of organic matter?

• O
• B
• A

Which soil particle is the largest?

• Sand
• Silt
• Clay

During which type of wind erosion are soil particles in constant contact with the ground?

• Ephemeral
• Saltation
• Creep
• Suspension

You take a drink of tap water and it tastes like dirt. What are you tasting?

• pollution
• geosmin
• antibiotics
• sand

Which of the following are characteristics that every mineral must have?

• solid under normal conditions
• organic
• naturally occurring
• a fixed chemical formula

A mineral is described as being metallic and another is described as dull. What property is this?

• luster
• color
• hardness
• streak
• density

The Mohs scale shows the range of which mineral property?

• hardness
• color
• luster
• streak
• density

Which layer of rock in this image was most recently deposited?

• A
• B
• C
• D

The type of igneous rock that contains a high amount of magnesium and iron is

• felsic
• clastic
• mafic
• foliated
• organic

Which type of igneous rock illustrates the fastest cooling of magma?

• coarse-grained
• fine-grained
• porphyritic
• glassy