Environmental Science Final Semester 2 2025

Which of the following is NOT a characteristic that all minerals must have?

• naturally occurring
• organic
• solid under normal conditions
• fixed chemical composition

Which characteristic of a mineral is the most easily observed but the least reliable?

• color
• luster
• streak
• hardness

Which mineral property is determined by rubbing it on a rough surface?

• color
• luster
• streak
• hardness

The Moh's scale shows the range of which mineral property?

• color
• luster
• streak
• hardness

Which of the following would be found in a quarry?

• gold
• copper
• sand
• iron

You found a glassy mineral with no visible crystals in it. What can you tell about the formation of this mineral?

• It was formed by slowly cooling magma
• It was formed by rapidly cooling magma
• It was formed from igneous rocks
• None of these is correct

Which of the following is NOT true of mining?

• It will likely become more costly to mine in the future.
• We can reduce our need to mine by recycling mineral- containing materials.
• Minerals are used to produce household items such as electronics and cosmetics.
• The environmental impact of mining will likely remain the same in the future.

Which type of igneous rock has a high silica content?

• felsic
• mafic
• ultramafic
• intermediate

Which type of igneous rock has mineral crystals of two different sizes because it cooled slowly then more quickly?

• coarse grained
• fine grained
• glassy
• porphyritic

Which type of metamorphism is caused by the bending and folding of preexisting rock?

• contact metamorphism
• dynamic metamorphism
• Regional metamorphism
• hydrothermal metamorphism