| A | B |
|---|
| kilogram | 100 grams |
| SI | metric system |
| mass | amount of matter an object has |
| meniscus | curved line on a graduated cylinder |
| rate | ratio between two events |
| Newton's 1st law of motion | if something is moving, it will keep moving until something acts to stop it |
| precision | exact measurement |
| balance forces | =net force=to zero=function=opposses in motion |
| kelvin | SI temperature |
| meter | standare for length |
| centi | 1/100th |
| liter | Si for volume |
| 464 mm | 4.64 cm |
| volume | length x width x heighth |
| velocity | how much speed and force |
| 3rd law | accelleration change in velocity/time |
| density | mass/volume |
| termalveli | largest velocity of an object |
| time | inturical |
| horizontal velocity | parallel to earth |
| 1 ML | -.001 m |
| acceleration | change in velocity/time interval |
| find volume | 7 cm * 5 cm * 4 cm =140 cm 3 |
| force | push or pull |
| law of conctraction of momuntes | = newton's third law |
| speed | d/t |
| air resistance | 9.8 mls |
| standard | something that does not change |
| momentum | product of mass and velocity |
| inertia | object remain at rest until a force acts upon it |
| weightlessness | no weight or gravity |
| Newton's Second law | acceleration of an object increase by the amount of net force |
| gravity | forced exerted by the amount of weight |
| average speed | average distance/average time |
| reference point | point at which you can tell something is moving |
| m/s | velocity |
| m/s2 | weight |
| N | force |
| kg | acceleration |
| terminal velocity | as fast as an object can go |
| potential energy | energy that is not in motion |
| force | push or pull |
| hertz | unit for loudness |
| centrigal force | forces in a circular motion |
| doppler effect | when a sound forces gets closer it gets louder |
| work | force/distance |
| amplitude | a point on a wave which at one given point |
| 6 types of simple machines | screw, incline plane, lever, pulley, wedge |
| friction | opposes motion |
| decibel | how you measure waver |
| reverbiation | in a large room, the sound waves vibrate like inrock concert |
| intensity | how hard something hits |
| harmony | together in unison; sounds pleasing |
| ultra sound | above 20,000 hz |
| chemistry | study of matter |
| compound machine | two or more simple machines |
| trough | bottom of a wave |
| fulcrum | a pivoting point |
| crest | top of a wave |
| pitch | a way a person hears sound |
| mechanical advantage | how much work a machine does |
| compressional wave | waves squeezed together |
| wave | rhythmic disturbance |
| watt | unit for power |
| acoustics | study of sound |
| thermometer | used to measure temperature |
| physical science | study of matter and energy |
| physics | study of energy |
| resistance arm | inbetween the resistence force and the fulcrum |
