This site is like KidSpiration, but it is free and easy to use. elements story, create-your-own-topic. Source: Liz Phillips. After a teacher types in the story starter, students log in to write. read, the class decides which direction the story should take. class agrees the story is finished.
Fetal development - month 1. First trimester. At the end of four weeks: Baby is 1/4 inch long. Heart, digestive system, backbone and spinal cord begin to form. Placenta (sometimes called afterbirth) begins to develop. The single fertilized egg is now 10,000 times larger than it was at conception.
LENGTH: 5 - 1/2 inchesWEIGHT: 8 ounces 8. 18 WEEKS (20 WEEKS AFTER THE FIRST DAY OF THE LAST NORMAL MENSTRUAL PERIOD) DOWNY HAIR APPEARS By 20 weeks, fine, downy hair has begun to appear on the remainder of the body of the fetus.