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Flashcards for Chapter 1 in Chemistry
Flashcards for Chapter 1 Chemistry Test in Mrs. Jackson's class
19
Chemistry
10th Grade
09/06/2011

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Term
the study of matter and the changes it undergoes
Definition
chemistry
Term
matter that has a definite and uniform composition
Definition
substance
Term
a measurement that reflects the amount of matter in an object
Definition
mass
Term
the effect of Earth's gravitational pull on matter
Definition
weight
Term
a visual, verbal, or mathematical explanation of experimental data
Definition
model
Term
Numerical information
Definition
quantitative data
Term
information describing a physical characteristic
Definition
qualitative data
Term
a judgment based on the information obtained
Definition
conclusion
Term
a standard for comparison especially in an experiment
Definition
control
Term
a variable that changes in response to a change in another variable
Definition
dependent variable
Term
a set of controlled observations that test the hypothesis
Definition
experiment
Term
a tentative explanation for what has been observed-an educated guess at the solution of a problem
Definition
hypothesis
Term
the variable that you plan to change-one that doesnt change because of another variable
Definition
independent variable
Term
a relationship in nature that is supported by many experiments
Definition
scientific law
Term
a systematic approach used in scientific study
Definition
scientific method
Term
an explanation of a natural phenomenon based on many observations and investigations over time
Definition
theory
Term
research to gain knowledge for the sake of knowledge itself
Definition
Pure science(research)
Term
research undertaken to solve a specific problem
Definition
applied science(research)
Term
List the 7 steps of the Scientific method.
Definition
1.make observations, 2.Develop hypothesis from observations, 3. Test hypothesis in a controlled experiment, 4.Analyze data, 5. Accept or reject hypothesis, 6.Make a conclusion, 7.Verify the conclusion by repeating experiment
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