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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. |