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science review.......
sciece words , descriptive.........
38
Science
6th Grade
09/26/2006

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Term
Troposphere
Definition
the lowest layer of the atmosphere.
Term
Mesosphere
Definition
the middle layer, between the stratosphere and the thermosphere.
Term
stratosphere
Definition
the layer of the atmosphere that is above the troposphere and in which temperature increases as altitude increases, the ozone is in this layer.
Term
thermosphere
Definition
the uppermost layer of the atmosphere, in which temperature inceases as altitude increases.
Term
ions
Definition
electrically charged particals
Term
Auras
Definition
This is caused from charged particles in the ionosphere.
Term
radiation
Definition
is the transfer of energy as electromagnetic waves.
Term
conduction
Definition
is the transfer of energy as heat through a material.
Term
convection
Definition
is the transfer of thermal energy by the circulation or movement of a liquid or gas.
Term
Green-house effect
Definition
the warming of the surface and lower atmosphere of earth that occurs when water vapor carbon dioxide *CO2* and other gases absorb and reradiate thermal energy.
Term
global warming
Definition
a gradual increase in average global temperatures.
Term
graduated cylinder
Definition
An object that measures the volume of another object.
Term
scientific methods
Definition
A series of steps followed to solve problems.
Term
mass
Definition
A measure of the amount of matter in an object.
Term
science
Definition
the knowledge obtained by observing natural events and conditions in order to discover facts and formulate laws or principals that can be verified or tested.
Term
meter stick
Definition
An object that measures the length of an object.
Term
volume
Definition
the amount of space occupied in three ( dimensions) solid, liquid, or gas.
Term
Data
Definition
Any peices of information acquired through observation or experimentation.
Term
temperture
Definition
the degree of hotness pr coldness or anything.
Term
meter
Definition
the basic unit of length in the SL ( symbol, m)
Term
Area
Definition
A measureof L x W (length x width)
Term
spring scale
Definition
An object to measure force with.
Term
observation
Definition
the process of obtaining information by using your 5 senses.
Term
hypothesis
Definition
an educated guess
Term
blance
Definition
An object that is used to balace an object makes the object be balanced. *Measures mass*
Term
blance
Definition
An object that is used to balace an object makes the object be balanced. *Measures mass*
Term
Thermometer
Definition
An object used to measure temperture.
Term
First aid
Definition
Emergency medical care for someone who was is has been hurt or injured.
Term
stop watch
Definition
An object that measures time.
Term
Air pressure
Definition
The measure of the force with which air molocules push on a surface.
Term
Atmosphere
Definition
Is a mixture of gases that surrounds the earth or the moon.
Term
Air Pollution
Definition
is the contamination of the atmosphere by the introductionof pollutants from human and natural sorces.
Term
Acidic precipatation
Definition
rain sleet or snow that contains a high concentration of acids.
Term
Iet streams
Definition
Prevailing winds that blow east to west from 30 degrees latitude to the equator in both hemispheres.
Term
Westerlies
Definition
Prevailing winds that blow from west to east between 30 degrees and 60 degrees latitude in both hemispheres.
Term
polar easterlies
Definition
prevailing winds that blow from east to west between 60 degrees and 90 degrees latitude in both hemispheres.
Term
Coriolis effect
Definition
The apparent curving on the path of a moving object from an otherwisestrait path due to the earth's rotation.
Term
wind
Definition
The movement of air caused by differences in air pressure.
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