filmov
tv
GS45: Comparing mass by hefting
Показать описание
Young children need to lift (heft) things to get a feel for which is heavier or lighter. I show how to do this and model some language they could use to describe the mass of objects compared to other objects.
0:02:06
0:01:50
0:02:47
0:01:01
0:04:36
0:02:23
0:03:06
0:09:32
0:03:08
0:01:42
0:04:45
0:07:53
0:03:38
0:04:12
0:02:20
0:04:52
0:02:30
0:05:05
0:06:47
0:01:52
0:07:18
0:04:43
0:00:01
0:01:16