How can we help?

You can also find more resources in our Help Center.

20 terms

Chem Vocab Chapter 1

Flood Chem
STUDY
PLAY
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