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PS4
Final Exam
Term | Definition |
---|---|
spring scale | an instrument used to measure the pull of gravity on a object |
relative density | determines whether one substance will sink or float in another substance. (dense)(less Dense) |
solutions | evaporation and thermal energy is used to separate salt and water |
mixtures | two or more substance that do not form another substance |
air resistance | a force that opposes the motion of an object through the air |
texture | property used to describe how something feels |
friction | rough road |
force | an object can change the speed (acceleration) |
variable | is a condition factor that changes in an investigation so the effects can be observed |
relabillitly | (accuracy)of the result |
accelerates | when pulling a wagon the wagon |
Inclined plane | a screw,pulley,and a wedge. |
Photosynthisis | energy from the sun into sugars |
sound waves | also known as longitudinal waves |
light waves | is a form of energy |