What is the most precious metal?
Platinum
What type of volcano is broad and gently sloping with mild eruptions?
Shield Volcano
What is a soil substance composed of decayed organisms' particles?
Humus
The most common igneous rock, which covers most of the ocean floor
Basalt
What are smaller earthquakes that follow a large earthquake for days or months?
Aftershocks
What is the most reflective metal?
Silver
What type of rock forms when magma solidifies?
Igneous
What is the rocky surface layer of the earth?
Crust
Organic sedimentary rock that is a fossil fuel
Coal
The fastest type of earthquake wave
P waves
What term describes the way light is reflected off a mineral?
Luster
Ring of Fire
In what type of fault do the rocks along one side move horizontally along the fault?
Strike-slip Fault
Streaked metamorphic rock produced from limestone
Marble
What is the point on the earth's surface directly above where an earthquake begins?
Epicenter
A reddish-orange metal used in conduction of electricity
Copper
The general term for any piece of solid volcanic ejecta
Pryoclast
What is the general term for a mass of volcanic rock beneath the surface?
Igneous Intrusion
Rock that consists of smooth pebbles embedded in hardened sand or clay
Conglomerate Rock
Earthquake waves help scientists study what without being able to physically access it?
The Earth's Interior
Ruby is a red variety of _______________.
Corundum
What type of volcanic ejecta is lava hardened to form either a smooth surface or a ropy surface
Pahoehoe
What is a layer of either porous rock or a gravel soil mixture that can hold water?
Aquifer
Fine grained sedimentary rock known for its ability to be split into thin layers
Shale
What is considered the most reliable method for mathematically measuring an earthquake?
Moment Magnitude Scale