A rotating column of air that forms on a clear sunny day
What is a dust devil?
The process by which the three basic types of rock can be converted into one another.
What is the Rock Cycle?
Rising and falling of an ocean, twice a day
A small rocky body that orbits the sun
What is an asteroid?
The crust under the ocean
What is oceanic crust?
Cold air moves into an area occupied by a warmer air mass
What is a Cold Front?
What is sedimentary rock?
The measure of how much salt is dissolved in water
What is salinity?
Having the earth at the center
What is geocentric?
A fracture between two rocks that allows the rocks to move relative to each other.
What is a fault?
The point in a body's orbit when it is closest to the sun
What is perihelion?
Rock formed from the freezing of magma or lava
What is Igneous Rock?
A slow-moving mass of ice caused by the accumulation of snow
What is a glacier?
Pluto is no longer a planet. What is it now classified as?
What is a dwarf planet?
The deep flat part of the ocean that covers more than 50% of the earth's surface.
What is the abyssal plain?
The day at which the sun reaches its maximum or minimum height in the sky
What is a Solstice?
A distinct separation between two rock strata
What is a bedding plane?
A state of balance between opposing actions
What is equilibrium?
A belt of icy bodies just beyond the orbit of Neptune
What is the Kuiper Belt?
The theory that at one time the continents were all part of a single land mass or continent.
What is Pangaea?
A measure of how much light is reflected from a surface instead of being absorbed
What is albedo?
Extinct marine arthropods found in some sedimentary rocks.
A tide in which the sun's gravity fights the moon's gravity, reducing extremes.
What is a neap tide?
The process by which two nuclei come together to form a single, larger nucleus.
The study of magnetic properties of rocks that were determined by the magnetic field of the earth at the time they were formed.
What is paleomagnetism?