This week, my students started learning about the human body. This section of the science unit involved learning about bones and skeletons through investigating owl pellets. The bones found in the owl pellets are from small mouse-like animals. Owls swallow these animals whole and excrete the fur, bones, claws, and beak which they cannot digest. After observing the physical characteristics of the owl pellets, they were soaked in water so they could be easier to pull apart the next day.
The students worked in pairs to pull the owl pellets apart (after soaking). There were many "Oohs!" and "Eews!" as students picked up the owl pellets out of the water and began picking bones out. Their focus for the lesson was to separate all of the bones from the fur and any other remnants left from what the owl did not digest.
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| "Looking for Bones" |
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| "Dem Bones" |
After separating the majority of fur from the bones, students worked in groups to recreate a skeleton based off of what the owl had eaten. While students found the bones within the pellets, they were making great observations and comparisons. One student noted finding a bone with a hole in it. This made it easier to pick up with their toothpick--used by students who may have wanted to keep our distance from the owl pellet. Several students also picked up the vertebrae piece with a toothpick and examined their size compared to other bones of the vole.
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| "Restructuring Skeletons" |
This was a fantastic hands-on lesson for my students! The students loved participating and seeing actual bones after they had learned how bones are composed. I recall doing this activity in 5th grade, but my third grade students were able to grasp the same concept just as well as I did two grades younger than myself. Hands-on investigatory material is one of the reasons students love science during elementary school.
Here is a link for more information on Owl Pellets: http://www.carolina.com/teacher-resources/Interactive/basic-information-on-owl-pellets/tr11103.tr
Another favorite part of this lesson was being able to wear gloves!
War Eagle!
Ms. Childs




