CK-12 Foundation
Skeletal System Joints: Appendages
The hundreds of joints in the human body fit into five main categories. A quick video explains the joints in the skeleton, which are often the most confusing. The interactive reviews each of the five types of joints and has scholars...
University Interscholastic League
English Lesson to Prepare for UIL Spelling and Vocabulary Contest
"i before e. . ." Spelling is easier if kids know the eight basic spelling rules contained in this resource packet.