tashas w 15 dec.3-7
| Description: | 5th grade dec.3-7 |
| Category: | Science |
| Created by: | zieglenr on 2007-12-06 |
| Question | Answer |
| gravity | a force that act to pull pairs of objects together |
| mass | the amount of matter in objets. |
| weight | a force gravity exerts on an ojects mass. |
| acceleration | rate of change in speed or direction or of movement |
| friction | a force that resist the movement of one surface past another surface. |
| airresistanse | friction caused by gas mouliculs in the air hitting an object and slowing it down. |
| steamline | to design smooth ,rounded surfaces on an object so that it slips through the air with the least resistance. |
| motion | a change in a position of an object. |
| speed | the distance an object moves per unit time such as mph |
| inertia | the tendency of an object to resist a change in moiton. |
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