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Science 7
| Question | Answer |
|---|---|
| air resistance | A force that tries to slow things down that are moving through air. It is a type of friction. |
| contact force | A force that needs to touch an object before it can affect it (friction) |
| drag | Air resistance and water resistance are both sometimes called this |
| force | A push or a pull |
| force meter | Piece of equipment containing a spring, used to measure forces |
| friction | A force that tries to slow things down when two things rub against each other |
| gravity | The force of attraction between any two objects |
| magnetism | A force that attracts objects made out of iron |
| newton (N) | The unit of force |
| newton meter | Another name for a force meter |
| non-contact force | A force that can affect something from a distance (gravity) |
| speed | How fast something is moving. Often measured in metres per second (m/s) |
| static electricity | A force which attracts things with extra electrical charges on them |
| upthrust | A force that pushes things up |
| water resistance | A force that tries to slow things down that are moving through water. It is a type of friction. |
| density | The amount of mass that 1cm(3) of a substance has |
| displacement | The volume of water pushed out of the way by an object |