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15 Cards in this Set
- Front
- Back
- 3rd side (hint)
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Accuracy |
A description of how close a measurement is to the actual value of the quantity measured |
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Dependent variable |
The variable whose value changes during an experiment and we record this new information |
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Qualitative data |
Data from an investigation that is descriptive |
You use your senses to describe it |
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Independent variable |
The variable that we control during an experiment |
Plotted on the x axis |
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Scientific theory |
An explanation of how a natural process works prec |
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Precision |
How close several measurements are to each other |
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Quantitative data |
Data from an investigation that is numerical |
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Matter |
Anything that has mass and takes up space |
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Element |
A substance that cannot be broken into simpler substance chemically |
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Atom |
The smallest unit of an element that maintains that element's properties |
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Compound |
A substance made of atoms of two or more different elements that are chemically combined |
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Molecule |
Smallest unit of a compound that keeps all of its physical and chemical properties |
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Pure substance |
Mater that has a fixed composition and definite properties. Elements and compounds |
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Mixture |
A combination of two or more substances that are not chemically combined |
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Physical change |
A change of matter from one state to another |
Solid to liquid to gas |
