विचारों
1:01
Water Purification - Why is alum added to water? | #aumsum #kids #science #education #children
1:51
Friction - Why is it difficult to pull a boat on the beach than on the sea? | #aumsum #kids #science
4:34
Why do Men have Adam's Apple? + more videos | #aumsum #kids #science #education #children
3:38
Why do we hear echoes? | #aumsum #kids #science #education #children
2:24
Force, Work and Energy | #aumsum #kids #science #education #children
1:07
How do X-rays work? | #aumsum #kids #science #education #children
3:26
How does a plastic comb attract paper? | #aumsum #kids #science #education #children
6:16
Simple Distillation | #aumsum #kids #science #education #children
