HELP!!! I need some advice NOW!!!

so my dad went to pick up my grades... Im not doing that bad... just in science i did not turn in my projects... i also was apsent for a week cuz of a problem with head lice -_- when my dad find out i wasnt turning in my projects he got so pissed... my dad is very strict, he also fiind out i was listening to music in class, ok, ok, I know thats all my fault... but my dad took my phone from me and smashed it to the ground and broke it to bits :((( right now im doing the work i did not turned in... but i need help im afraid.... i dont know what to di.. i even forgot a book my teacher gave me to do the work because im afraid... i raised my other grades... like math a raised a D to a C and a C to a high B in history and the rest i got A except for science.... the only thing thats on my mind right now is "My dad is gonna slap me in the face so hard, my heads gonna fly right off"..... plzz help me, what shall i do?????