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Chapter 22: Earth's Interior

Teacher: Nathan Kirkley
Across
Type of mineral fracture in which the mineral tends to split among regular, well defined planes
Rock that forms when molten material cools and solidifies. Ex: Granite
Layer of Earth that is hot, but solid and extends 2850 km beneath the Earth
Type of rock that forms when sediment is compressed and cemented together. Ex: Sandstone
Rocky outer layer of Earth
Resistance to scratching
First type of wave in an earthquake that travels the fastest, through both solids and liquids and is longitudinal
Uppermost part of mantle and lower part of crust
The higher this is, the less viscous magma is
The way atoms are arranged in a mineral
The changing of rocks into other types of rocks
Solid combination of minerals or mineral materials
The higher this is, the more viscous magma is
Naturally occurring, inorganic solid with a crystal structure and a characteristic chemical composition
Type of volcano that results from ash and debris and is very steep
Break in a mass of rock
Bend in the layers of rock
Sea-floor spreading causes old oceanic crust to sink into the mantle during this process
Earthquake waves that cause the most damage and result in a rolling motion of the earth
Boundary in which plates slide past each other
Down
Rock that has been changed by high temperatures and pressure, or reactions with hot water. Ex: Gneiss
Theory that pieces of Earth's lithosphere move about slowly on top of the asthenosphere
Boundary in which plates move away from each other
The way in which a mineral reflects light.
Type of volcano that is large and created by low viscosity magma; quiet eruptions; Ex: Hawaii
Transverse waves that are intermediate in speed and do not travel through liquids
The higher this is, the less viscous magma is
The study of Earth's composition and structure
How a mineral breaks
Section of Earth's interior that has a liquid and solid portion
Type of volcano that results in explosive eruptions, is steep and is made up of high viscosity magma; Ex: Yellowstone
Boundary in which plates come together
Wegener termed the ancient supercontinent as this
Where an earthquake starts
Chemical composition of a mineral determines this.
Color of a mineral's powder
Fool's gold is always golden _______. a property of this mineral