click below
click below
Normal Size Small Size show me how
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 |