This curriculum guide integrates the concepts of chick embryology into mathematics, science, and language arts lesson plans for Grades 4 and 5. The four lessons comprising the unit can be utilized in sequence or as independent lessons within the classroom curriculum. Lesson 1 enables students to identify the parts of an egg. Lesson 2 examines the nutritional value of eggs and the number of foods that use eggs as an ingredient. Lesson 3 identifies ideal incubator conditions in hatching eggs. Lesson 4 provides an experiment in which students investigate the structural strength of an egg. A curriculum matrix provides a planning format that contains program objectives, subject area objectives, and activities for each lesson. Each lesson includes background information, a list of materials needed for the lesson, teaching procedures, activity worksheets, and instruments to assess student understanding. An appendix contains support materials for conducting a chick embryo unit where fertilized eggs are incubated and hatched that includes an incubation/embryology check list, an incubator daily record form, a list of reasons for poor hatches, instructions on what to do after the chicks hatch, questions most asked by teachers, and questions most asked by students. Additional resources include a post-test, a cross-word puzzle, a word scramble, and the corresponding answer keys. Contains nine references. (MDH)