Human Development Timeline By dkd_22 1 CE birth 1 CE start babbling 1 CE starts crawling 2 starts forming words 2 starts walking 3 starts telling stories 3 completing puzzles 4 kick/ throw ball 4 ride tricycle 4 climbing 4 starting preschool 4 getting first haircut 4 wants to be an astronaut/ superman/ vet 5 starting kindergarten 5 learn how to write 5 learn how to read words 6 starts first grade 6 learn how to read sentences 7 starting second grade 7 start reading books 7 writing pages of words 8 starting third grade 8 developing more distinctive opinions of their own 8 becomes more controlled 9 starting fourth grade 9 starts an attraction for someone around them 10 starting fifth grade 10 have control of large and small muscles 11 starting 6th grade 11 starts a new stage/ middle school 12 puberty for girls begins 12 starts 7th grade 13 starts 8th grade 13 girls start period 13 exploring your own body 14 starts 9th grade 14 starts experimenting with boys/girls 15 beginning to drive 16 get first job 16 starts trying new things (drugs alcohol) 16 getting lisence 17 falling in love 18 graduating from highschool 18 starting college 20 wants to become a physical therapist 21 drink alcohol legally 21 graduating college 22 getting first real job 23 starts traveling to explore 24 first pet 25 getting engaged 26 getting married 27 starting a family (1st kid) 29 having a second kid 30 having a 3rd kid 50 menopause 57 parents die 65 retirement 90 death