Upload date
All time
Last hour
Today
This week
This month
This year
Type
All
Video
Channel
Playlist
Movie
Duration
Short (< 4 minutes)
Medium (4-20 minutes)
Long (> 20 minutes)
Sort by
Relevance
Rating
View count
Features
HD
Subtitles/CC
Creative Commons
3D
Live
4K
360°
VR180
HDR
3 results
Christine is a 11 year old Mensa member and she is in elementary (primary) school. Here, she is taught by Mr Peter SP Lim, how ...
333 views
3 years ago
petersplim @Plchemphy.com.sg www.plchemphy.com.sg @magnetism As the S poles of two permanent magnets (green portions) ...
2,483 views
2 years ago
petersplimmagnesium www.PLchemPHY.com.sg.
73 views