New Educ Chow Ching Educ 240

Separating egg white yolk using a water bottle new educ chow ching (EDUC 240) 397 12 лет назад
Simple physics experiment (The conservation of energy) new educ chow ching (EDUC 240) 90,859 12 лет назад
Stepping on egg new educ chow ching (EDUC 240) 2,129 12 лет назад
Cool Ethanol experiment new educ chow ching (EDUC 240) 480 12 лет назад
Similar triangles and its application on finding building's height new educ chow ching (EDUC 240) 2,348 12 лет назад
Float or Sink? new educ chow ching (EDUC 240) 199 12 лет назад
Why light stick grows? new educ chow ching (EDUC 240) 75 12 лет назад
Putting an egg in the water bottle (Air pressure) new educ chow ching (EDUC 240) 46,692 12 лет назад
Visiting Professor DTMM - Dr. MV. Reddy Ahmad Zakiyuddin 62 4 года назад
SMA 240 Bruce Lee # 13 - Das Goldene Dreieck mk2007al 429 1 год назад