Rocky
A metal that is a combination of two or more metals often making the metal stronger.
What is an alloy?
The process for when rocks are “squeezed” together.
What is compaction?
The wearing away of soil and rock particles by waves, wind, running water, or glaciers.
What is erosion?
The splitting of a mineral along smooth, flat surfaces.
What is cleavage?
Rocks formed by the cooling of molten rock (either magma or lava).
What are igneous rocks?
The solid rock underneath soil or loose rocks known as the lowest of 3 main layers of soils.
What is bedrock?
The remains of a plant or animal that turned to stone over a long period of time.
What is a fossil?
A mineral that forms in regular, tight patterns.
What is crystal?
A descriptive characteristic of powder on a tile found after rubbing the mineral on a ceramic tile.
What is color?
The continuous, dynamic set of processes by which rocks are changed into other types of rock.
What is the rock cycle?
The process for when rock pieces are “glued” together.
What is cementation?
A solid, natural material that does not come from a living thing.
What is a mineral?
The process in which sediment is laid down in new locations.
What is deposition?
A measure of the ability of a mineral to resist scratching.
What is hardess?
Rocks formed from the weathering, erosion, deposition, and compaction of other rocks.
What are sedimentary rocks?
Minerals that crystallize out of solution to become rock.
What is chemical?
The melted, liquid rock beneath Earth’s surface.
What is magma?
The term to describe the remains of plants and animals.
What is organic?
The way a mineral reflects light.
What is luster?
They are formed from pre-existing rock which is subjected to heat and pressure. (The rock is solid, but the minerals break down in form and change their shape.)
What are metamorphic rocks?
The process of wearing away or changing Earth’s surface caused by natural forces.
What is weathering?
Magma that breaks through the earth’s surface.
What is lava?
A rock that has useful metals or other minerals inside it.
What is an ore?
This can be found by rubbing the mineral on a ceramic tile.
What is a streak?
A hard, solid material that is made of minerals and is found in nature.
What is a rock?