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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 |