Rocks & Minerals
The color of a mineral when it is a powder
What is a streak?
The general weather conditions prevailing in an area over a long period of time.
What is the climate?
A measure of a star's brightness.
What is the magnitude?
The crust and the portion of the mantle directly below the Mohorovičić discontinuity.
What is the lithosphere?
It exists between two atoms within a molecule.
What is a chemical bond?
The tendency of a mineral to break along parallel flat surfaces.
What is cleavage?
The point in a body's orbit when it is closest to the sun.
What is perihelion?
This is used to classify stars.
What is the Hertzsprung-Russell Diagram?
_____ is denser than continental crust.
What is oceanic crust?
The movement of molecules from a region of high concentration to one of low concentration.
What is diffusion?
Rocks that are changed by heat and/or pressure, and that change produces a new type of rock.
What is metamorphic rock?
Caused by the earth's axial tilt, and they are opposite for each hemisphere.
What is a season?
Our solar system contains this many planets in this order.
What is 8 planets: Mercury Venus Earth Mars Jupiter Saturn Uranus Neptune?
An event in which the earth's magnetic field switched its orientation to the opposite of what it is today.
What is magnetic reversal?
Allowing passage of some substance but not others
What is semipermeable?
The tool used to rank minerals by different hardness levels.
The winds near the surface of the earth curve.
What is the Coriolis effect?
150,000,000 kilometers
What is an astronomical unit (AU) - the distance between the earth and the sun?
Subduction forms a trench because the oceanic plate starts to melt as it dives into the mantle forming multiple volcanoes.
What is a continental arc volcano?
68.7% of all earth's _____ is frozen
What is freshwater?
A mineral that is strongly attracted to a magnet and can become a magnet if exposed to a magnet for a sufficient amount of time.
What is a ferromagnetic mineral?
A portion of a cloud is at altitudes where the temperature is below 0 degrees while is produces large ice crystals.
What is the Bergeron process?
The sum total of all the natural components of God's creation.
What is the universe?
A boundary between two plates that are moving away from each other.
What is a divergent boundary?
The constant motion of water throughout the earth's hydrosphere.
What is the hydrologic cycle?