Teach Engineering
What Makes Our Bones Strong?
So is that what you meant by rubber legs? The activity has pairs subject a chicken bone to vinegar and observe what happens over a period of days. Individuals then write up a lab report and document their observations and findings. 
Curated OER
Integrating Biology: The Elements in Your Body
In this body elements instructional activity, students read about the chemical make-up of the human body and answer questions about the elements.
Curated OER
Study Guide-Skeletal System
In this skeletal system activity, students answer 16 questions about the functions of the skeletal system, the groups of bones that make up the skeletal system, the parts of the bones, the joints, the components of the bones and the...
Curated OER
Skeletal Tissue
In this skeletal system activity, students match 10 terms with their meanings, answer 20 multiple choice questions, fill in the blanks for 24 questions and answer 6 questions. Topics include structures and functions of the skeleton, bone...
Curated OER
Skeletal Flash Cards
In this skeletal system worksheet, students are given 19 diagrams of different bones or parts of the skeletal system. They label all the structures of each bone or set of bones such as the skull and use the flashcards to study the parts.
Curated OER
Special Senses- Hearing and Equilibrium
In this health worksheet, students examine the human body and make mental connections to the target function highlighted in the sheet.
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Muscular System
In this muscular system worksheet, high schoolers define related terms of the muscular system, they identify types of muscles, they order the events of muscle contraction and given a clue about structures and function of the muscular...
Curated OER
The Brain
In this brain worksheet, students read about the brain, its four parts, and their functions, and answer comprehension questions. In this fill in the blank and true and false worksheet, students answer thirteen questions. 
K12 Reader
Tissues, Organs and Systems
Young scientists are introduced to the connections among cells, tissues, organs, and systems in a life science reading comprehension worksheet that asks them to respond to a series of questions based on the passage.