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5.7 AB Force&Motion
| Question | Answer |
|---|---|
| force | a push or a pull |
| motion | a change in position |
| friction | a force that resists motion |
| gravity | a force that pulls objects together |
| balanced forces | equal forces that do not result in motion |
| unbalanced forces | unequal forces that result in motion |
| position | the location of an object |
| control | a factor that does not change in an investigation |
| conclusion | a statement that explains what you learned from an investigation or experiment based on the evidence |
| hypothesis | a well-researched prediction |
| investigation | a set of steps followed to answer a testable question |
| variable | a factor that changes in an investigation |
| independent variable | a variable that is changed by the scientist (mass, distance, height, size, etc.) |
| dependent variable | variable that results from the change and can be measured or observed |
| observation | a description based on the senses or measurements |
| magnetism | a push or pull due to magnetic forces |