Science timeline

By poohbear07
  • Period: to

    Zygote

  • Period: to

    Embryo

  • Heart beats regularly. Eyes and ears begin to form.

    This is the day my eyes and ears started to form. This meant that I could later see and hear. Now I can watch TV!

  • Heart developes right and left chambers

  • Period: to

    Fetus

  • Bones are visible. Heartbeat can be heard with a stethoscope

  • Fingerprints form

  • Eyelids can open and weight can be up to 6.6 pounds

    This is the day that I could see. This is important because now I can see where I am going without someone guiding me. Now when I grow up I can drive!
  • Period: to

    Infancy

  • Period: to

    Puberty

  • A baby can gold its gead up and reach for objects

    This is the day I could reach for objects. This is important because I could get stuff on my own. Now I can get stuff from shelves myself.

  • Infants begin to crawl

    This is the day I could crawl. This is important because I could move without someone moving me. This important because this meant that later I could walk.
  • Period: to

    Childhood

  • Start of Middle School

    This is the day that I started middle school. Now I am 6 years away from collage. In 5 years I can drive!
  • Period: to

    Adolescence

  • Ovulation in females and sperm production in males begin

  • Skin starts to become wrinkled

  • Aging begins

  • Period: to

    Adulthood

  • Aging becomes more noticeable and progresses rapidly