School begins at 8:00 --7th Grade; 8:05 --8th Grade








Tuesday, March 6, 2012

Runyan's Science Class

During a study of the digestive system, Mrs. Runyan's 7th graders  used a potato soaked in cooking oil and a plastic tube to demonstrate muscle contractions in the large intestines called "peristalsis." 



No comments:

Post a Comment