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Marking Period Review Vocab Science
N/A
49
Science
8th Grade
01/09/2014

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Term
Density
Definition
The ratio of mass to the volume of the substance
Term
Mass
Definition
A measure fo the amount of mass in an object
Term
Volume
Definition
A measure of the size of a body in three-dimensional space
Term
Area
Definition
A measure of the size of a surface
Term
Weight
Definition
How much gravity an object has
Term
Water Displacement Theory
Definition
If you fill a graduated cylinder with Water, drop an object in, and measure the amount the water changed it gives you the volume of the object
Term
Experiment
Definition
Testing the hypothesis
Term
Scientific Method
Definition
A series of steps to solve a problem
Term
Hypothesis
Definition
An explination that is based on previous knowladge that can be tested
Term
Variable
Definition
Likley to change
Term
Constants
Definition
The things in the experiment kept the same
Term
Control
Definition
The variable that you do not change
Term
Dependent Variable
Definition
The output or effect
Term
Independent Variable
Definition
The inputs or causes
Term
Data
Definition
Peices of information
Term
Conclusion
Definition
The end result of the scientific process
Term
Scientific Theory
Definition
A series of steps to solve a problem
Term
Map
Definition
A representation of the earth or an area on a flat surface
Term
Latitude
Definition
A measure of how far north and south
Term
Longitude
Definition
A measure of how far east and west
Term
GPS
Definition
Global Postitioning System
Term
Topography
Definition
Detailed mapping that shows a small area
Term
Bathymetry
Definition
The measurement of the depths of the ocean
Term
Contour Line
Definition
A line that connects points of equal elevation
Term
Profile
Definition
The outer line of something
Term
Scale
Definition
A comparison of one measurement to another
Term
Legend
Definition
A table on a map or chart to explain the symbols used
Term
Benchmark
Definition
A point of known elevation
Term
Elevation
Definition
The height of an object above sea level
Term
Hachure
Definition
A series of parallel lines drawn on a map to show topographic relif
Term
Mineral
Definition
A naturally forming, inorgainc solid that has a definite chemical structure
Term
Hardness
Definition
A measure of the ability of a mineral to be scratched
Term
Color
Definition
The natural hue of a mineral
Term
Luster
Definition
The way a mineral reflects light
Term
Cleavage
Definition
The tendancy of mineral to break in preferred directions
Term
Fracture
Definition
The manner in which a mineral breaks
Term
Streak
Definition
The color of the powder of a mineral
Term
Ore
Definition
A natural mineral with the high enough concentraion of valuable minerals to be mined profitably
Term
Silicates
Definition
Minerals consisting of SiO2 or SiO4
Term
Igneous
Definition
Rocks that form with intense heat
Term
Intrusive Igneous
Definition
Igneous rock that forms under the surface
Term
Extrusive Igneous
Definition
Igneous rock that forms above the surface
Term
Sedimentray
Definition
Formed by the deposition of sediment
Term
Clastic Sedimentary
Definition
Formed by peices of other rocks
Term
Chemical Sedimentary
Definition
Formed when a mineral is dissolvedin water than that water evaporates it leaves behind the mineral
Term
Bioclastic Sedimentary
Definition
Formed by dead plant or animals
Term
Metamorphic
Definition
Characterized by change of form
Term
Foliated Metamorphic
Definition
When the particals are aligned
Term
Nonfoliated Metamorphic
Definition
When the particals are not aligned
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