NYC 8th grade science state test. HELPPPPP!!!!!!!!!!!?

ok. so the 8th grade science test is coming up in a month and i barley know anything. i mean its not my fault our teacher is a loon. we do nothing in science class. the teacher barley teach us anything, all he does is sit, put his face in his hands (he might be crying!!!!) and hear us talk. plzzzzzzzzzzzz tell me any websites you know that will help me be perpared for the test and nothing that includes buying or reading a lot. plzzzzzzzzzzzzzzz help me i only got 1 month and i am positive ill fail so i am begging you to help me cuz i dont wanna end up in the same grade again with a loon!!!!!!!!!!!!!!!!!