Covering full science in 2 days possibile class 10th

I am a freak and didn't touched my weakest subject and now feeling demotivated and guilty and want to fuck myself. I am very weak in science specially in chem and now fucked up pls tell me what should I do. And ya i also didn't completed sst but I can understand it well so no extreme problem in it but sci just fucked up and have to cover it before 11th feb because after it I will Start english