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8th physical science
| Term | Definition |
|---|---|
| Qualitative Observations | Made by gathering information that can be recorded using descriptive language. |
| Quanitative Observations | Made by gathering information that can be recorded as a number with a measurement 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. |
| Manipulated 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. |
| Inquiry | To ask for information |
| 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. |
| Matter | Anything that has mass and takes up space. |
| Physical Properties | A characteristic of a pure substance that can be observed without changing it into another substance. |
| Chemical Properties | A characteristic of a pure substance that describes its ability to change into different substances. |
| Atoms | An atom is the basic particle from which all elements are made. |
| Weight | A measure of the force of gravity on you. |
| Mass | The measurement of the amount of matter in an object. |
| Unit of Mass | Grams |
| International System of Units | Scientists use this to measure the properties of matter. |
| Volume | The amount of space matter takes up. |
| Calculating Volume. | Calculating the amount of space that matter takes up. |
| Accuracy | The quality or state of being correct |
| Calibration | The action or process of calibrating an instrument or experimental readings. |
| Graduated Cylinder | A piece of laboratory equipment used to measure the volume of a liquid. |
| International System of Measurement | The modern form of the metric system and is the worlds most widely used system of measurments. |
| Liquid | Having the consistency like that of water or oil etc.,Flowing freely but of constant volume. |
| Meniscus | The curved upper surface of the liquid in a tube. |
| Newton | The SI unit of force. Equal to the force that produces an acceleration of one meter per second on a mass of one kilogram. |
| Precision | The state or process of being exact. |
| Triple beam balance | A typical Mechanical Balance. |
| 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. |
| 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. |
Created by:
Ainsley14000
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