Wild Card
When rocks and minerals break down from wind, salt or temperature.
What is weathering?
The scale that mineral hardness is measured by.
What is the Moh's Scale?
One of the three rock types that is caused by weather, which causes particles to build up and layers to form.
What is sedimentary?
These rocks are formed by magma and lava.
What is igneous?
These rocks were once sedimentary or igneous rocks.
What are metamorphic rocks?
When water, ice or wind transports pieces of rock or minerals.
What is erosion?
Diamonds can only be scratched by this mineral.
What is a diamond?
The layers of this rock are formed by this action.
What is compression?
These rocks are formed by magma within a mountain.
What is an intrusive igneous rock?
Metamorphic rocks are exposed to these two elements.
What is heat and pressure?
When water, ice or wind deposit rock or earth materials.
What is deposition?
The way a mineral reflects light.
What is luster?
An example of a sedimentary rock.
What is shale, limestone, sandstone, coal?
A rock that is formed by lava outside of the mountain.
What is an extrusive igneous rock?
Characteristics of a metamorphic rock.
What is rarely has holes, rarely has fossils, bands of light and dark?
Weather and transportation cause this type of rock.
What is sedimentary?
The powdered form of a mineral.
What is streak?
Sedimentary rocks may contain these.
What are fossils?
Examples of an igneous rock.
What is basalt, granite, obsidian or pumice?
Examples of a metamorphic rock.
What is slate, marble, gneiss?
Melting and cooling cause this type of rock.
What is igneous intrusive?
Minerals are formed over time by these things.
What are magma and pressure?
What is layers, porous, less dense, fine grains, layers?
Characteristics of an igneous rock.
What is shiny surface, no fossils, source of magma or lava?
Metamorphic rocks are formed quickly.
True or False
What is false?