This file includes activities that can be used to assess students' understanding of biotic and abiotic factors and the levels of organization in the environment. A guide and answer key for each activity is included to assist in implementation. Biotic or
Learn how to make a breathing machine from the author of Maker Lab, Jack Challoner. This easy experiment uses household items to construct model lungs and show how some vital parts of the body work. -- Learn about the respiratory track hands on, at home!