a meander is this shape in a river
what is an "S" or curve
This region is generally tropic and is 0 degrees latitude
what is the equator
This sub atomic particle has a positive charge
what is a proton
This type of sedimentary rock reacts with warm water to create sinkholes
what is limestone
this occurs when water saturates the pores of a rock or asphalt and freezing cycles cause it to break
what is frost wedging
This material is made of minerals and organic matter, includes air and water
What is soil
The North Pole is at this degree latitude
what is 90 N
This region of the atom holds the proton and neutron
what is the nucleus
This type of igneous rock is caused by lava hitting ocean water
what is obsidian
Name these potential groundwater contaminates
acceptable answers:
-sewage
-landfills
-salt
The way a mineral reflects light. can be metallic or glassy
what is luster
This type of map displays elevation changes
what is a topographic map
This word means a substance that cannot be broken down into simpler substances
what is an element
This test is helps identify minerals by the color of a mineral when it is broken up and powdered
what is a streak test
This region of underground is where groundwater flows through permeable rock to store water
what is an aquifer
a mineral that splits evenly along one or more flat planes is called
what is cleavage
the difference in elevation on a topographic map can be seen by what kind of line
what is a contour line or contour interval
This pH level reacts with an acid to neutralize
what is a base
what is a crystal
this kind of limestone topography is the cause for sinkholes
what is karst topography
This type of mixture has the same composition no matter where you sample it from
what is a homogenous mixture
This sound wave technology can be used to map ocean floors by bouncing sound waves off the bottom and calculating the return.
what is sonar
This change of state occurs when a solid goes straight to a gas
what is sublimation
a mineral has these 4 characteristics
-Naturally occurring
-inorganic solid
-specific chemical formula
-definite crystalline structure
the difference between an aquifer and aquiclude is this