Hands-On Life Science for Elementary Grades by Carson Dellosa CD-7321
Anatomy – Lung and Diaphragm 30 minutes Get it Together 16-ounce plastic soda bottle 2-9″ balloons Electrical tape Straw Canning lid (same diameter as the bottle) Modeling clay Scissors Procedure Cut the bottom portion off the bottle. Cut the straw to 5″. Tape one balloon to the end of the straw. Suspend the straw through … Read more