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Bio Lab Chap 1
Terms for Chap Quiz
20
Biology
Undergraduate 2
01/10/2009

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Term
Celcius
Definition
Temperature Scale, one of the basic units of the metric system
Term
Metric System
Definition
International system of measurement
Used by scientists worldwide
Term
Meter
Definition
International standard unit of length equivalent to 39.37 inches or 2,280 feet
Term
Centimeter
Definition
Metric subunit of length = 100th of a meter
Term
Millimeter
Definition
Metric subunit of length = 1000th of a meter
Term
Kilometer
Definition
Metric subunit of length = 1,000
Term
Precision
Definition
Involves being able to get the same result with repeated measurement of the same thing
Term
Accuracy
Definition
The degree which measurements reflect the actual value of something
Term
Scientific Method
Definition
The process of Science involving the critical evaluation of ideas and information
Term
Density
Definition
Mass divided by the volume gives the density
Term
Theory
Definition
Widely accepted, plausible generalization about fundamental concepts in Science that explain why things happen
Term
Liter
Definition
A liter is a the standard unit of measurement for volume; i liter = 1.057 quarts
Term
Milliliter
Definition
A subunit that makes the volume smaller
Term
Gram
Definition
A metric measure of mass - symbol - g; 1 gram = 0.0022 pounds
Term
Kilogram
Definition
A subunit which increases the mass by 1,000
Term
Milligram
Definition
A subunit which decreases mass = 1,000th
Term
Observation
Definition
Mental record of an event gathered with the use of our senses and is often aided by mechanical devices
Term
Hypothesis
Definition
A statement that provides a possible answer to a question or an explanation for an observation that can be tested
Term
Scientific Law
Definition
A uniform or constant fact of nature that describes what happens in nature
Term
Temperature
Definition
The degree of hotness or coldness of a body or environment;
A measure of the average kinetic particles in sample of matter expressed in terms of units or degrees designated on a standard scale
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