Rocks
True or False:
Studying a rock's texture can help scientists determine which type of rock it is.
True
This mineral is minded so that aluminum can be produced.
What is bauxite?
A measure for how easily a mineral can be scratched.
What is hardness?
This shows how one rock changes into another.
What is the rock cycle?
Rocks can change ON the Earth's surface in a variety of ways. Name at least three!
What is deposition, weathering, compaction, cementation or cooling?
Metamorphic rocks that show layers of dark minerals alternating with layers of light minerals.
An inorganic solid with a unique crystal structure
What is a mineral?
Silver, gold and copper have shiny surfaces, so have this (two words) property.
What is metallic luster?
The process in which the weight from layers of sediment forces out fluids and decreases the space between grains.
What is compaction?
This is formed when dissolved minerals precipitate out of water, often because of evaporation.
What is a Chemical Sedimentary Rock?
Rocks that are formed by fast moving rivers or streams that have polished and rounded the grains.
What is conglomerate?
Minerals can be identified based on these two properties.
What are physical and chemical properties?
The physical characteristic when one mineral will scratch another.
What is hardness?
This is a tectonic process that forces rocks onto Earth's surface throughout the rock cycle.
What is uplift?
This rock consists of a single mineral like Quartzite.
What is a non-foliated metamorphic rock?
These igneous rocks are rick in iron and magnesium.
What are mafic igneous rocks?
The color of a powdered mineral left when you scratch a mineral on a porcelain plate.
What is streak?
Two factors that allow rocks to bend or fold without melting.
What is pressure & temperature?
This type of mineral has predictable crystal patterns.
What are gemstones?
This foliated metamorphic rock is made of minerals that like to hang out together.
What is Gneiss?
Three ways metamorphic rocks form IN the Earth.
What are heat, pressure and presence of hot, watery fluids?
Physical properties that can be used to help identify a mineral include hardness, density, streak and luster. Name a property that is not as reliable to use for identification.
What is color?
All minerals are made of these things.
What elements from the Periodic Table?
A mineral composed of just one element.
What is pure?
This is the high school Mr. Retzlaff graduated from.
What is West Bend East?