click below
click below
Normal Size Small Size show me how
Science
| Term | Definition |
|---|---|
| Matter | Anything that has mass and takes up space |
| Physical | Changing appearance but not what it is |
| Chemical | A change in matter that produces one or more new substances |
| Mass | Matter in a object |
| Weight | Pull on the object |
| Qualitive observations | Made by gathering information that can recorded in descriptive language |
| Quantity | Made by gathering information that can be recoreded using descritive language |
| Inference | Not a fact, but an interpretation of what the direct observation means |
| Scientific law | Describes what scientists expect to happen every time under particular set of |
| constant | part of an experiment that is held in the same condition |
| Variable | Part of the experiment that changes |
| Mulnimulated variable | A factor in a controlled experiment that s intentially changed by the experiment |
| scientific theory | A will tested explanation for a wide range of observation or experiment results |
| Inquiry | to ask for information |
| independent variable | a resulting factor in a controlled experimentthat is observedand mesured to see if it changes due to the manipulated another variable |
| Control | A course of action completed in order to test a hypothesis |
| Pure substance | a substance made of only one kind of material having definite proportional amounts and properties |
| heterogeneous mixture | two or more substances not chemically combined, and appearing non-uniform with physically distinct substances included |
| homogeneous mixture | two or more substances not chemically combined, but appearing to be evenly blended |
| mixture | matter that consists of two or more substances not chemically combined |
| compound | two or more elements chemically combined |
| element | the simplest type of pure substance |