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Psysical Science
Term | Definition |
---|---|
Qualitative | Made by gathering information that can be recorded using descriptive language |
Quantitative | Made by gathering information that can be recorded as a number with a measurement unit |
Inferance | 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 experiment |
Varible | Part of the experiment that changes |
MV | A factor in a controlled experiment that is intentionally changed by the experimenter |
Scientific Theory | A well tested explanation for a wide range of observations or experimental results |
Inquiry | To ask for information |
RV | A resulting factor in a controlled experiment that is observed and measured to see if it changes due to the manipulation of another varible |
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 | Changes form or appearance but is still the same substance |
Chemical Properties | Changes in matter/makes a new substance |
Weight | A measure of the force of gravity on an object |
Mass | A measure of how much matter is in an object |
Newton | A unit of force required to move 1 kilogram |
Work | Exertion or effort directed to produce or accomplish something |
Force | Physical power or strength possessed by a living being |
Gravity | The force that pulls objects toward each other |
Newtons 1st Law | An object in rest will stay in rest |
Newtons 2nd Law | Acceleration |
Newtons 3rd Law | For every force there is a reaction force that is equal in size, but opposite in direction |
Mechanical Advantage | The ratio of the output force produced by a machine to the input force |