Rocks
A solid material made of one or more different minerals
What is a Rock?
A natural, inorganic solid substance that has definite chemical composition and crystal structure; the "ingredients" of rocks
What is a Mineral?
Any type of rock can turn back into magma if it undergoes what process?
What is Melting?
This type of rock is the only type that may contain fossils.
What is Sedimentary?
A type of rock formed by cooled magma or lava; its name comes from the Latin word for fire
What is Igneous?
A mineral property that is measured on a scale from 1 to 10 that can be tested by scratching the mineral on different objects. Diamond is known for being the highest on this property scale, which makes it a good choice for jewlery.
What is Hardness?
What are the small, weathered pieces of rocks called?
What are Sediments?
In the desert, this type of erosion often creates bizarre looking rock structures like the one pictured here. https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcTiGPYA2t52oZkmlGBp14HPEALKAVbGrXLnoQ&s
What is Wind Erosion?
This type of rock is made up of weathered pieces of other rocks and can include fossils of plants and animals
What is Sedimentary?
How light reflects off the surface of a mineral; how shiny a mineral is
What is Luster?
If any type of rock is subjected to great ____ and ________, it can become metamorphic.
What is Heat and Pressure?
A rock sample formed by the crystallization of magma on Earth's surface that is dark-colored, fine-grained, and full of pores or holes is this type of rock.
What is Igneous?
A type of rock that has bands or ribbonlike layers; these are formed from great heat and pressure inside the Earth
What is Metamorphic?
A mineral property that can be tested by rubbing the mineral on a white, porcelain plate to see the color of the mineral’s powder
What is Streak Color?
"The Two C's" that help sediment turn into a sedimentary rock.
What are Compaction and Cementation?
This sample of intrusive igneous rock, made of the minerals feldspar, biotite, and quartz, was the identity of the "unknown sample" found in the Nike shoe box in the Rock Solid Evidence investigation.
What is Granite?
An ________ igneous rock forms from slowly cooled magma, is coarse-grained, and grows large crystals.
What is Intrusive?
The only mineral that reacts to HCl acid
What is Calcite?
Magma cools into an _________ igneous rock, while lava cools into an _________ igneous rock.
What are Intrusive and Extrusive?
Extrusive igneous rock is formed from ______ that erupted from a volcano.
What is Lava?