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Science E.O.G
N/A
26
Science
8th Grade
05/11/2010

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Cards

Term
Adaption
Definition
Enable living organisms to cope with enivormental stresses and pressures
Term
Adhesion
Definition

Attraction between two different molecules

Ex. Adhesive glue!

Term
Analogous Structures
Definition

Same function but different structures

Ex. Bat wing and Bird wing

Term
Aquifier
Definition
A body of rock or sediment that stores ground water and allows the flow of ground water
Term
Artficial Selection
Definition
Selective breeding of certain traits, or combinations of traits, over others
Term
Atomic Mass
Definition
Mass of the elements
Term
Biological Evolution
Definition
The change in a population's inherited traits from generation to generation
Term
Buoyancy
Definition
The upward force on an object produced by the surronding fluid
Term
Carriers
Definition
People who pass dieases to others
Term
Cell Theory
Definition
All organisms made of 1 or more cells, cell is basic unit of all living things, all cells come from existing cells
Term
Cohesion
Definition
Attraction between like molecules; force that holds molecules of a single material together (water drops)
Term
Compund
Definition
A substance made up of atoms of two or more different elements joined by chemical bonds
Term
Condensation
Definition
Change of state from a gas to a liquid
Term
Conductor
Definition
Materials that readily conduct electric current
Term
Conservation of Mass
Definition
No atoms of any element may be created or destroyed
Term
Constant
Definition
A fixed, but possibly unspecified, value
Term
Control Group
Definition
An important part of many scientific experiments, to find out if a treatment really has an effect
Term
Convergent Plate Boundary
Definition
Boundary formed by collision of two lithospheric plates
Term
Density
Definition
Ratio of the mass of a substance to the volume of thte substance  d=m/v
Term
Desalination
Definition
Process of removing salt from ocean water
Term
Divergent Plate Boundary
Definition
Boundary between two tectonic plates that are moving away from each other
Term
Estuary
Definition
Area where fresh water from rivers mixes with salt water from the ocean
Term
Evaporation
Definition
The change of a  substance from a liquid to a gas
Term
Exposure
Definition
Come in contact with
Term
Gas
Definition
A form of matter that does not have a definate shape or volume
Term
Geologic Evolution
Definition
Formation of the earth's existence based in rock records
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