Human Skeleton Quiz
By Amanda Thoma
I would like to have a human skeleton where specific bones of the skeleton can be dragged and dropped back into the skeleton as a quiz.
This learning object shows how blood droplets are held together by a strong cohesive molecular force that produces surface tension in each drop and on the external force. Surface tension pulls the surface molecules of a liquid toward its interior, decreasing the surface area and causing the liquid to resist penetration.