Rocks
combination of two or more minerals
What is rock?
made of a mixture of compounds and elements
What is a mineral?
Innermost zone of Earth that consists of a solid inner layer and a fluid outer one
What is the core?
movement directly generated by heat within the core and mantle
What is circular convection currents?
Rock formed from sand, mud, and organic matter that are laid down in layers and compressed
What is sedimentary rock?
minerals are _______________ resources meaning that take millions or even billions of years to be replenished
What is nonrenewable?
Solid outer zone of Earth
What is the crust?
process that changes rocks from one variety to another when subjected to high temperatures and/or pressures
What is metamorphism?
Rock formed below or on Earth’s surface when magma wells up from the mantle and then cools and hardens
What is igneous rock?
The supply of a nonrenewable mineral resource that is economically feasible for extraction
What is ore?
Zone of Earth’s interior between its core and its crust
What is the mantel?
One of around a dozen pieces of Earth’s lithosphere that move slowly across the mantle’s flowing asthenosphere and separate, collide, or grind against one another
What are tectonic plates?
Interaction of physical and chemical processes that change Earth’s rocks from one type to another
What is rock cycle?
Sustainable mineral practices
What is reuse & recycle, redesign manufacturing processes & products, or find substitutes?
The combination of Earth’s crust and rigid outermost part of the mantle
What is lithosphere?
majority of earthquakes and volcanoes occur here
What is along the edge of plate boundaries?
Rock formed when an existing rock is subjected to high pressure and/or high temperatures
What is metamorphic rock?
environmental problem caused by extracting minerals
What is soil erosion, generating solid wastes, or pollution?
The layer of Earth beneath the lithosphere in which convection currents flow
What is asthenosphere?
Caused by shifting tectonic plates
What are earthquakes, volcanoes, or mountain building?