Busy Bones

The spongy bone and the bone marrow were removed from the cow's bone.

October, 17, 2012

            We took our home school class to the Arizona Science Center and learned about busy bones. We started out with making a model of a skeleton on a large sheet of construction paper. Our ingredients were bone stickers, labels, and a body outline. Our lesson was to attach the bone parts to the correct area of the body. When we were finished with that project, it was time to start a surprise dissection. When we received our cow’s bone, we started to pick at the bone marrow and the spongy bone. We finally revealed the inside of the bone. It resembled a telescope when we were finished picking with a nail.

            We also learned about joints that allow our body to move. We learned about six types of joints: pivot, ball and socket, saddle, ellipsoid, hinge, and gliding plane. In our body Ligaments connect bones to bones, and tendons connect bones to muscles. Did you know that children have more bones than adults? This is because bones attach to other bones once children mature. There are more than three hundred bones in your body; take good care of them! By Samantha