Educational Videos
Simple machines / produced by Educational Videos. - El Dorado Hills, CA : Educational Videos, 1998.
1 videocassette (VHS) (15 min.)
Children learn about the concepts of simple machines when they try to move parts for a structure they are building with as little force and time as possible.
1-58541-049-7
Simple machines.
Simple machines / produced by Educational Videos. - El Dorado Hills, CA : Educational Videos, 1998.
1 videocassette (VHS) (15 min.)
Children learn about the concepts of simple machines when they try to move parts for a structure they are building with as little force and time as possible.
1-58541-049-7
Simple machines.