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The Theory Of Science Standard Mandates

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Introduction

NYS Science Standard mandates that second graders learn that each generation of animals goes through changes in form from young to adult. This completed sequence of changes in form is called a life cycle. Therefore, this unit will concentrate on this aspect. This curriculum unit is called “The Life Cycles” and the focus content areas are ELA and Science. However, this unit also promotes art, social skills, and math. This unit is intended for a second grade classroom. This specific second grade classroom has fifteen students, in which one has ADHD and two are ELLs, whose primary language is Spanish. The purpose of this unit is to make students aware that each living thing has a life cycle and that although similar, life cycles differ from species to species. All students are familiar with chicks, butterflies, and frogs, and most have seen these animals before. However, most students do not have any prior knowledge on life cycles. Therefore, the teacher will be introducing this concept with manipulative, so the idea is easier for students to grasp. The main theme of this unit is life cycles, thus, the major sub themes for this unit are:
• Every living thing has a life cycle
• Each species has their own, unique, life cycle.
• The chick life cycle has four stages (egg, hatching, chick, and adult chicken).
• The frog life cycle has four stages (egg, tadpole, froglet, and frog).
• The butterfly life cycle has four stages (egg, caterpillar, chrysalis, and

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