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Exploring Butterflies: A Comprehensive Second Grade Unit by Mrs. Berrien

This educational unit by Mrs. Berrien at Lakewood Elementary School delves into the fascinating world of butterflies. Students will learn what defines a butterfly as an insect, the different parts of its anatomy including the head, thorax, and abdomen, and the life cycle from egg to adult. Featuring engaging diagrams and illustrations, this unit covers butterfly habitats like backyards and meadows, making the study of these beautiful creatures both informative and exciting for second graders.

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Exploring Butterflies: A Comprehensive Second Grade Unit by Mrs. Berrien

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  1. Flutter By, Butterfly! A Second Grade Unit On Butterflies By: Mrs. Berrien Lakewood Elementary School Insert pictures of butterflies

  2. What is a butterfly? A butterfly is an insect.

  3. What is an insect? An insect: • Has six jointed legs. • Has three body parts. • Has a pair of antennae. • Has compound eyes. • Has an exoskeleton.

  4. Therefore, a butterfly: • Has six jointed legs. • Has three body parts. • Has a pair of antennae. • Has compound eyes. • Has an exoskeleton.

  5. The Parts of a Butterfly Insert picture of Butterfly Anatomy http://www.enchantedlearning.com/subjects/butterflies/allabout/

  6. HEAD – the head is located at the front of the butterfly’s body. THORAX – the thorax is the middle body part. ABDOMEN - the abdomen is at the back of the butterfly’s body. It is the biggest of the three body parts. <Insert picture of butterfly anatomy> A butterfly has three main body parts. (body parts cont.) http://www.enchantedlearning.com/subjects/butterflies/allabout/

  7. A butterfly’s head (body parts cont.): • Two compound eyes made up of many hexagonal lenses. • A proboscis used to “drink” nectar from inside flowers. It remains curled when not eating. Insert picture of Butterfly anatomy http://www.enchantedlearning.com/subjects/butterflies/allabout/

  8. Four wings: The two wings closest to its head are the forewings and the two closest to the abdomen are the hindwings. Six jointed legs. <Insert picture of butterfly anatomy> A butterfly’s thorax (body parts cont.): http://www.enchantedlearning.com/subjects/butterflies/allabout

  9. A butterfly’s abdomen (body parts cont.): • The soft abdomen is divided into 10 parts. It contains the heart, reproductive organs, breathing pores, and digestive system. Insert diagram of Butterfly Anatomy http://www.enchantedlearning.com/subjects/butterflies/allabout/

  10. Life Cycle of the Butterfly • Egg- a butterfly starts its life as an egg. • Larva (caterpillar)- The larva hatches from the egg and eat leaves and flowers almost constantly. • Pupa (chrysalis)- The caterpillar turns into a chrysalis (cocoon). • Adult- A beautiful, flying adult butterfly emerges which will lay more eggs to repeat the cycle.

  11. Life Cycle of a Butterfly Insert diagram: Life Cycle of Butterfly http://www.enchantedlearning.com/subjects/butterflies/allabout/

  12. Butterfly Habitats • Backyards • Wildflower gardens and meadows • Open, grassy/brush-filled fields • Forests • Citrus groves • Wet meadows • Mountains

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