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Chemistry
Study of how one type of stuff (matter) is transformed into another type of stuff
Matter
Anything that you can taste, touch, or smell
Transformations
The making and breaking or chemical bonds
Organic Chemistry
Study of stuff that is carbon based, but also contains hydrogen, oxygen, & nitrogen
Inorganic Chemistry
Study of chemical compounds that involve metals
Physical Chemistry
Study of how energy interacts with stuff
Analytical Chemistry
Identifying and measuring matter using sophisticated equipment
Biochemistry
The chemistry of living things
Scientific Method
Systematic approach used in scientific study
Provides a method for scientists to verify the work or results of others
Purpose
The problem that needs solving or purpose
Hypothesis
The educated guess about what will solve the problem
Experiment
Study set up to manipulate an independent variable to change the dependent variable of the experiment
Results
The data gathered or what happened in the experiment
Conclusion
What does it all mean? Did the problem get solved?
Independent Variable
The thing or condition that you are testing
Only variable that you will allow to change
Answers “What do I change“
Dependent Variable
What you measure to compare the results of your tests
The data you would chart or graph
Answers “What do I observe?“
Constants
The variables that you don’t allow to change and is kept the same each test or trial
Control (Controlled Variable)
What the results are compared to
Usually when the independent variable is zero or not included
Sometimes considered what’s “normal“ or “regular“ state or condition
Theory
A well developed, widely accepted, continually tested explaination of how something happens or works
Explains how and why things happen
Law
Simple statements that tell you what happens
Pure research
Research that is done for fun or because it’s interesting
Does not necessarily have a defined purpose
Applied research
Research done when there’s a problem to solve and scientists look to find solutions
Not really looking to discover something new