What is the most valuable precious metal?
platinum
Bonus: what is the reddish orange metal that is a good conductor of electricity?
What type of volcano is broad and gently sloping with mild eruptions?
shield
What term describes the way light is reflected from the surface of a mineral?
Luster
Bonus: what type of rock forms when magma solidifies?
What term describes rocks that bend downward during the folding process to form a trough-like structure?
syncline
What is the layer of solid rock below the soil?
bedrock
What is the most reflective metal?
silver
What type of volcanic ejecta is lava hardened to form either a smooth surface or a ropy surface?
pahoehoe lava
Bonus: what structure ejects solid materials from a volcano?
Minerals are rated from softest to hardest on a scale of 1-10 on what scale?
Mohs scale of hardness
What are smaller earthquakes that follow a large earthquake for days or months?
aftershocks
What is the rocky surface layer of the earth?
crust
what is the final step of metallurgy?
shaping
What scale is used to measure the explosiveness of a volanic eruption?
V. E. I.
The idea that undisturbed strata lie in the order they were laid down is the law of what?
what are deposits of sand, mineral fragments, or organic materials left behind by wind or water?
sediments
Bonus: what type of rock forms when layers of small particles laid down by water are hardened into rock?
What is the best term to describe soil with a pH of 8?
basic
Bonus: what is rock that consists of smooth pebbles embedded in hardened sand or clay?
What is the metal used in radiation shielding, batteries and small-arms ammunition?
lead
The general term for any piece of solid volcanic ejecta is what?
pyroclast
What type of limestone forms from calcium containing plankton remains?
chalk limestone
what is the green form of beryl?
Emerald
Bonus: what is the red variety of corundum?
What type of soil bacteria convert atmospheric nitrogen into nitrogen-containing compounds?
nitrogen-fixing bacteria
What large group of minerals contain flourine, chlorine, bromine, or iodine?
halides
Bonus: Magnetite is a magnetic mineral that is used as a source of the metal iron. It is composed of iron bonded to oxygen, is black in color, and has cubic crystals. What mineral group contains magnetite?
What term describes magma bulging overlying rocks upward to produce a dome-like intrusion?
laccolith
What group of metamorphic rocks are made up of layers like the leaves of a book?
foliated
Bonus: what is the primary factor that determines the texture of igneous rock?
What is the most common igneous rock, which covers most of the ocean floor?
basalt
What is considered the most reliable method for mathematically measuring an earthquake's strength
Moment magnitude scale