000 | 00861ctm a2200229u 4500 | ||
---|---|---|---|
005 | 20171010072919.0 | ||
007 | ta | ||
008 | 090520|||||||||||||||||||||||||||||eng|u | ||
020 |
_a978-1-59920-083-5 _cSpring 2009 World Almanac Education $24.40 |
||
100 | 1 | _aOxlade, Chris. | |
245 | 1 | 0 | _aLevers |
260 | 0 |
_aMankato, MN _bSmart Apple Media _c2008 |
|
300 | _b32p.: col. photos | ||
520 | _aThere are levers all around us - from the seesaw in the playground to the scissors in our homes. But what are levers, and how do they work? | ||
521 | 1 | _aElementary | |
650 | 4 | _aSimple machines. | |
650 | 4 | _aLevers. | |
650 | 4 | _aLifting and carrying. | |
961 | w | l | _t12 |
999 |
_c52840 _d51510 |