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physical scienice
final exam
| Term | Definition |
|---|---|
| Camera | A tool used to take pictures to compare and analyze. |
| spring scale | an instrument used to measure thew pull of gravity on an object |
| Relative Density | Determines whether one substance will sink or float in another |
| conduct electricity | the ability to allow electricity to flow through it. |
| Experiment | A test conducted to discover something. |
| air resistance | a force that opposes the motion of an object through the air |
| Variable | A condition or factor that changes in an investigation so the effects can be observed. |
| position | the location of an object |
| Electrical energy | The form of energy that consists of a flow of electric charges through a conductor. |
| reflection | light energy that bounces off a surface |
| Transparent | Material allows almost all light to pass trough it. |
| translusent | Material allows some light to pass trough it. |
| circuit | a path along which electric charges can flow. |
| Opaque | Materials do not let any light pass through them. |
| magnetism | the pulling force of a magnet |
| Conductor | A material that readily allows electricity charges to pass trough it and therefore carries electricity well. |