Jv football? 10pts?

ok jv football startin in a couple of months. im in 8th grade and im nervous about the season. im really small too. i weigh 130 lbs. i been goin and workin out but i might not b big or fast enough. i tryin to b either a wr or te. how do u get over nervousness about the bigger kids? tips on catching a ball? learn to take a hit? god im nervous. btw i played football one year in a separate league. i was in jrs. i as an LT. team says i was best onl ine but now i basically went up two divisions. im with huge kids. pleaese help