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Forces
Forces (Unit 4)
Term | Definition |
---|---|
Attract | to pull or draw toward an object |
Control | the item in an experiment that is not changed |
Controlled Experiment | an experiment in which all the variables are kept the same except for the one being tested |
Force | a push or pull that can change the position or motion of an item |
Friction | a force that opposes motion |
Gravity | a force that pulls objects toward each other |
Magnetism | a force that pushes or pulls a magnetic material across a distance |
Motion | a change in the position of an object |
Position | the place where something is located |
Pull | applying force to move something toward or with you |
Push | applying force in order to move something away |
Reliability | experiments/investigations providing the same results on repeated trials |
Repel | to force something to move away |
Testable Hypothesis | an idea that can be tested by experiment or observation |
Valid Conclusion | information describing what was learned from an investigation based on observations and collected data |
Variable | any condition in an experiment that can be changed |
Work | force causing the movement- or displacement- of an object |
Conductor | a substance or object that allows energy to flow through it easily |
Insulator | a substance or object that does not allow energy to flow through it easily |
Solution | a type of mixture in which the particles of one or more substances are dissolved (uniformly dispersed throughout) in another substance |