First we should stop thinking that science is a subject to study. Instead think that science is what our life in and around. Science is the zoom in of our day today routines. It tends to answer many Whys and Hows. 

Science teaches us from what we're made of to how the whole universe is functioning. On learning science I could handle electricity, I could find my nutritional diet chart, I could reason out calamities, I could use fuels and other energy sources effectively, I could avoid harmful chemical compounds and find good one from food to cosmetics, I could medicate my ailments, I'm accessing the whole world through science and a lot many to list