What is a quiet eruption?
When one plate slides beneath another at a convergent boundary
What is subduction?
Refers to how light is reflected from a mineral's surface
What is luster?
The horizontal lines on a map
What are lines of latitude?
hardest mineral on the Mohs hardness scale
what is a diamond?
Area surrounding the Pacific Ocean that contains most of the Earth's volcanoes and earthquakes
What is the Ring of Fire?
Type of boundary where one plate slides past another plate
What is a transform boundary?
The color of a mineral's powder
What is streak?
The imaginary line at 0 degrees latitude
What is the equator?
hard, colorful mineral that has a brilliant or glassy luster
what is a gemstone?
Hot rock, ash, and gas that spews from a volcano
What is pyroclastic flow?
The type of Earth's crust that does not lie beneath the ocean
What is continental crust?
Does not come from living things or materials
What is inorganic?
Vertical lines on a map
What are lines of longitude?
a rounded, hollow rock lined with mineral crystals
What is a geode?
Type of volcano with granitic magma and explosive eruptions
What is a cinder cone volcano?
A mid - ocean ridge forms at this type of boundary
What is a divergent boundary?
The formula for this is mass divided by volume
What is density?
What is the prime meridian?
Another word for a composite volcano
What is a stratovolcano?
Volcano that is not currently active but may become active again
What is a dormant volcano?
Plates move towards each other at this type of boundary
What is a convergent boundary?
a qualitative 1 to 10 scale that measures a mineral's resistance to scratching
What is Mohs hardness scale?
The hemisphere that lies above the equator
What is the northern hemisphere?
Island chain that was formed from hot spots
What is Hawaii?