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Definitions

Chemistry

the study of the properties of matter and how matter changes
the study of the composition of matter and the changes that matter undergoes

Chemical

any substance that has a defined composition

Conclusion

a summary of the results of the experiment and a statement of how the results relate to the hypothesis

Data

information gathered from observations

Hypothesis

an explanation that is based on prior scientific research or observations and that can be tested

Law

a summary of many experimental results and observations; a law tells how things work

Mass

the amount of matter in an object

Matter

objects that of which have mass and occupies space

Procedure

a process or series of acts especially of a practical or mechanical nature involved in a particular form of work

Scientific Method

a series of steps followed to solve problems including collecting data, formulating a hypothesis, testing the hypothesis, and stating conclusions

Theory

well tested explanation that unifies a broad range of observations
A supposition or a system of ideas intended to explain something, esp. one based on general principles independent of the thing to be explained

Unit

any division of quantity accepted as a standard of measurement or exchange

Volume

the amount of 3-dimensional space occupied by an object

Weight

a measure of the gravitational force exerted on an object

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