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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 |