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SCIENCE
Term | Definition |
---|---|
Matter | anything that has a mass and takes up space |
Physical Properties | any change that alters form or appearance |
Chemical Properties | any substance that turns into something different |
Weight | pull of gravity on an object |
Mass | amount of matter in an object |
Volume | amount of space that an object takes up |
Independent Variable | variable that is changed by the experimenter |
Dependent Variable | changed due to the independent variable |
Qualitative Observations | made my gathering information that can be recorded using descriptive launguage |
Quantitative Observations | made by gathering information that can be recorded as a number with a measurement of unit |
Inference | not a fact, but an interpretation of what the direct observations mean |
Scientific Law | describes what scientists expect to happen every time under a particular set of conditions |
Constant | part of an experiment that is held in the same condition for control and experimental |
Variable | part of the experiment that changes |
Scientific Theory | a well tested explanation for a wide range of observations or experimental results |
Inquire | to ask for information |
Experiment | a course of action completed in order to test a hypothesis |
Control | a standard to which all other levels are compared in a scientific experiment |
Accuracy | the quality or state of being correct or precise. |
Calibration | the action or process of calibrating an instrument or experimental readings. |
Graduated Cylinder | a narrow, cylindrical container marked with horizontal lines to represent units of measurement and used to precisely measure the volume of liquids. |
International System of Measurement | an internationally accepted system of physical units |
Liquid | a liquid substance |
Meniscus | the curved upper surface of a liquid in a tube. |
Newton | a unit of measurement |
Precision | the quality, condition, or fact of being exact and accurate. |
Unit | a quantity chosen as a standard in terms of which other quantities may be expressed. |
Pure Substance | a substance made of only one kind of material having definite proportional amounts and properties |
Element | the simplest type of pure substance |
Mixture | matter that consists of two or more substances not chemically combined |
Compound | two or more elements chemically combined |
Homogenous Mixture | two or more substances not chemically combined, but appearing to be evenly blended |
Heterogenous Mixture | two or more substances not chemically combined, and appearing non-uniform with physically distinct substances included |