विचारों
2:07
Sound and Pitch – Glass Bottle Xylophone
7:37
Force and Motion for Kids | Ramps | Science Experiments for Kids | Kids Academy
0:44
Wave Reflection and Standing Waves 2.mp4
0:19
Water Waves - Interference Experiment
3:01
4 Sound Science Experiments for Kids
0:31
Hard Water and Soft Water
2:15
How to Make an Electromagnet - Science Experiment
2:31
How to make Hard Water Soft using Washing Soda and Filtration Science Experiment