Chem Vocab Chapter 1

20 terms by tabapple

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Flood Chem

applied research

a type of scientific investigation that is undertaken to solve a specific problem

chemistry

the study of matter and the changes that it undergoes

control

in an experiment, the standard that is used for comparison

dependent variable

in an experiment, the variable whose value depends on the independent variable

experiment

a set of controlled observations that test the hypothesis

hypothesis

a tentative, testable statement or prediction about what has been observed

independent variable

in an experiment, the variable that the experimenter plans to change

mass

a measure of the amount of matter

matter

anything that takes up space

model

a visual, verbal, and/or mathematical explanation of data collected from many experiments

pure research

a type of scientific investigation that seeks to gain knowledge for the sake of knowledge itself

qualitative data

information describing color, odor, shape, or some other physical characteristic

quantitative data

numerical information describing how much, how little, how big, how tall, how fast, etc.

scientific law

describes a relationship in nature that is supported by many experiments

exponent

expresses numbers as a multiple of two factors; a number between 1 and 10 raised to a power

technology

the practical use of scientific information

theory

an explanation supported by many experiments; still subject to new experimental data

weight

a measure of an amount of matter and also the effect of Earth's gravitational pull on that matter

conclusion

a judgement based on the information obtained

scientific method

expresses numbers as a multiple of two factors: a number between 1 and 10, and 10 raised to a power

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