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science 8
| Term | Definition |
|---|---|
| Qualitative | Made by gathering information that can be recorded using descriptive language. |
| Quanitative | Made by gathering information that can be recorded as a number with a measurement unit. |
| Law | Describes what scientist 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. |
| independent variable | A factor in a controlled experiment that is intentionally changed by the experimenter. |
| theory | A well tested explanation for a wide range of observations or experimental results. |
| Dependent Variable | A resulting factor in a controlled experiment that is observed and measured to see if it changes due to the manipulation of another variable. |
| 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. |
| Inferance | Not a fact, but an interpretation of what the direct observations mean. |
| Matter | Anything that has mass and takes up space. |
| Physical Properties | Any changes that alters form or appearance of matter but does not make up any substance matter into a different substance. |
| Chemical Properties | A change in matter that produces one or more new substance. |
| Weight | Pull of gravity on an object. |
| Mass | Matter in an object. |
| Units of Mass | g for grams |
| Accuracy | The extent to which a given measurement agrees with the standard value for that measurement. |
| Calibration | To mark off lines on measuring equipment for the desired unit. |
| Graduated Cylinder | Equipment used to measure liquid volume |
| International System of Measurement | |
| Liquid | Has a definite volume but no shape of its own. |
| Mass | The mass of matter (atoms) in a substance; measured in grams and kilograms |
| Matter | Anything that has mass and volume (takes up space). |
| Meniscus | The curve on the upper surface of a liquid in a container caused by surface tension |
| Newton-a unit of measurement | A unit of force required to move 1 kilogram 1 meter squared. |
| Precision | The amount of detail or refinement in measurement. |
| Triple Beam Balance | |
| Unit | A single, undivided whole; a quantity chosen as a standard for measurement. |
| Volume | Amount of space an object takes up. |
| Weight | A measure of the force of gravity on an object. |
| Matter | Anything that has mass and volume (takes up space). |
| Pure Substance | A substance made of only one kind of material having a definite proportional amounts and properties. |
| Mixture | Matter that consists of two or more substances not chemically combined. |
| Element | The simplest type of pure substance. |
| Compound | Two or more elements chemically combined. |
| Homogeneous Mixture | Two or more substances not chemically combined, but appearing to be evenly blended. |
| Heterogeneous Mixture | Two or more substances not chemically combined and appearing non-uniform with physically distinct substance included. |
Created by:
ashstaneart
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