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Chp.1 Science in Our World
Chapter vocabulary
14
Science
Not Applicable
04/01/2005

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Term
Science
Definition
The knowledge obtained by observing natural events and conditions in order to discover facts and formulate laws or priciples that can be verified or tested
Term
Scientific Methods
Definition
A series of steps followed to solve problems.
Term
Hypothesis
Definition
An explanation that is based on prior scientific research or observations and that can be tested.
Term
Controlled Experiment
Definition
An experiment that tests only one factor at a time by using a comparison of a control group with an experimental group.
Term
Variable
Definition
A factor that changes in an experiment in order to test a hypothesis.
Term
Model
Definition
A pattern, plan, representation, or description designed to show the structure or workings of an object, system, or concept.
Term
Theory
Definition
An explaination that ties together many hypothesis and observations.
Term
Law
Definition
A summary of many experimental results and observations; a law tells how things work.
Term
Meter
Definition
The basic unit of length in SI
Term
Area
Definition
A measure of the size of a surface or a region.
Term
Mass
Definition
A measure of the amount of matter in an object.
Term
Volume
Definition
A measure of the size of a body or region in three dimensional space.
Term
Temperature
Definition
The measure of how hot (or cold) something is.
Term
Density
Definition
The ratio of the mass of a substance to the volume of the substance.
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