In scientific investigations, experimenting usually comes before hypothesizing.

Particle model to predict what will happen if a sharp object creates a hole in the soccer ball

Explain that newton first law,second law and third law of motion?

There is one girl i like and i don't know how to tell her that, i have a feeling she knows but if she doesn't i don't want to make a fool out of myself how is one way to boost my confidence on asking her out