Muscle Models




Photo cred: Krieger Science

Photo cred: Krieger Science

Required materials:

rubber bands, craft sticks, straws, metal brads, ruler, metal paper clip


Humans have 600+ muscles but only a set number of muscle fiber at birth. These fibers can increase in strength and size with exercise. In these lessons, students can learn the cellular mechanisms that lead to muscle growth as well as create and test models of muscle fiberss. 

NGSS alignment:

1. Asking questions (for science) and defining problems (for engineering)  2. Developing and using models  3. Planning and carrying out investigations 4. Analyzing and interpreting data 5. Using mathematics and computational thinking 6. Constructing explanations (for science) and designing solutions (for engineering) 7. Engaging in argument from evidence 8. Obtaining, evaluating, and communicating information