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Science
The use of evidence to construct testable explanations and predictions of natural phenomena, as well as, the knowledge generated through this process.
Chemistry
The study of the composition of substances and the changes they undergo
Hypothesis
A testable explanation of a situation or phenomena
Theory
Explanation of natural phenomena based on observations and investigations over time
Scientific Law
Relationship in nature that is supported by many experiments
Pure Research
to gain knowledge for the sake of knowledge itself, often driven by curiosity
Applied Research
to solve a particular problem
Substance
Matter that has definite and uniform composition - a chemical
Mass
The amount of matter
Weight
The amount of matter and the effect of gravity of that matter - w=mg
Model
Visual, verbal, or mathematical explanation of experimental data
Adding and subtracting sig fig
Round to least number of decimal places
Multiplying and dividing sig fig
Count #SF in each number, round to least #SF
Accuracy
How close single measurement comes to the actual value
Precision
How close the measurements are to each other
Independent Variable
Scientist deliberately changes or chooses values
Dependent variable
Depends on or changes in response to independent
Interpolation
Continuous data allows you to read the value between two recorded points
Extrapolation
Extending a line beyond the plotted points in order to estimate a value
