Unit 1 · Types of UnitsVariables of scientific research
Words of This Topic
- Phenomenon: any event or change in nature that can be observed.
- Causative factor: a factor that brings about an event.
- Variable: a factor linked directly or indirectly to an event, which changes or may change.
- Cause: what makes an event happen.
- Effect: the result that a cause produces.
- Magnitude: how big or small a quantity is.
- Physical quantity: something that can be measured, such as length, distance or thickness.
- Empirical evidence: evidence gained by observing or measuring.
- Projectile: an object launched forward that then flies on by itself.
- Extension: in the catapult, the distance from the fingers to the paper bullet when the band is stretched.
- Proportional: growing in the same ratio as another quantity.