| A | B |
|---|
| hypothesis | suggested solution to a problem |
| data | information |
| scientific method | model or guide used to gather information and solve problems |
| unit | amount used to measure something |
| meter | basic SI and metric unit of length |
| liter | basic metric unit of volume |
| volume | amount of space something takes up |
| kilogram | a unit of mass equal to 1000 grams |
| mass | the amount of matter in an object |
| matter | anything that has mass and takes up space (stuff) |
| temperature | measure of how hot or cold something is |
| degree Celsius | metric unit of temperature |
| meniscus | curved surface of a liquid in a graduated cylinder |
| specialization | studying or working in only one part of a subject |
| weight | measure of the pull of gravity on an object |
| force | a push or a pull |
| gravity | force of attraction between all objects in the univers |
| newton | metric unit of force |
| air resistance | force that opposes the downward motion of a falling object |
| terminal velocity | speed at which air resistance and gravity acting on a falling object are equal |
| vacuum | empty space |
| friction | force that opposes the motion of an object |
| work | force time distance |
| joule | metric unit of work; equal to 1 N-m |
| energy | ability to do work |
| kinetic energy | energy of motion |
| potential energy | stored energy |
| law of conservation of energy | energy cannot be made or destroyed, only changed in form |
| motion | change in position |
| speed | distance traveled per unit of time |
| velocity | speed and direction of motion |
| acceleration | change in speed or direction |
