They do in my school i started physics this year. Its the best science ever. <3 i learned those...you know when the water vaporises and turns into a cloud , when ice turns into water etc etc and they re teaching me the mix we do with, water, like water with sugar, with salt, with sand...sry if i explained terribad but its all in french dont blame me lol.
FBI agent so its normal that i caugh you.