Snails Lesson Plan SISSI
Transcription
Snails Lesson Plan SISSI
Lesson: Exploring Organisms & The Environment (Snails) Grade Level: K Content Area: Life Science Core Area: Exploring Organisms and the Environment Lesson Overview: Students will investigate snails. They will recognize that organisms have basic needs. They will see that animals have different structures that serve different functions in growth and survival. They will learn new vocabulary associated with snails. They will observe interactions of animals with their surroundings. 2005 Standards Correlation Grade K Characteristics of Organisms Standard K-2: The students will demonstrate an understanding of the characteristics of organisms. (Life Science) Indicators K-2.1 Recognize what organisms need to stay alive (including air, water, food, and shelter). K-2.2 Identify examples of organisms and nonliving things. K-2.4 Compare individual examples of a particular type of plant or animal to determine that there are differences among individuals. 2014 Standards Correlation Grade K Life Science: Exploring Organisms and the Environment Standard K.L.2: The student will demonstrate an understanding of organisms found in the environment and how these organisms depend on the environment to meet those needs. K.L.2.A. Conceptual Understanding: The environment consists of many types of organisms including plants, animals, and fungi. Organisms depend on the land, water, and air to live and grow. Plants need water and light to make their own food. Fungi and animals cannot make their own food and get energy from other sources. Animals (including humans) use different body parts to obtain food and other resources needed to grow and survive. Organisms live in areas where their needs for air, water, nutrients, and shelter are met. Performance Indicators: Students who demonstrate this understanding can: K.L.2A.1 Obtain information to answer questions about different organisms found in the environment (such as plants, animals, or fungi). K.L.2A.3 Develop and use models to exemplify how animals use their body parts to (1) obtain food and other resources, (2) protect themselves, and (3) move from place to place. K.L.2A.5 Construct explanations from observations of what animals need to survive and grow (including air, water, nutrients, and shelter) Copyright © 2014 by the Board of Trustees of the University of South Carolina Page 1 of 5 Materials: FOSS Kit: Animals 2 x 2 Terrarium Clear plastic cups Cardboard barriers Snail Race Track Magnifying Glasses Land snails (one for each student is ideal) Book: The Snail’s Spell by Joanne Ryder Lettuce, plant leaves, apple slices, oranges slices Other objects to be used as barriers: wooden blocks, Legos, pencils, markers, etc. Rulers One-minute timer Chart paper, white board, or Smart Board (needs to be saved for several days) Snails PowerPoint and LCD projector Procedures: 1. Introduction- Snail Riddle: “I’m thinking of an animal that has no legs, but travels on a foot. The animal has a house that it always carries around on its back. It moves very slowly and creates a slippery trail of slime as it goes. This animal lays eggs. The house on the animal’s back is in a spiral shape. You can sometimes find this animal in your backyard after a rainy evening in the spring and summer. What is it?” Show students the land snails in the terrarium. Invite them to gather around and observe the snails for a few minutes. Talk about how the snails move, what they are doing, etc. 2. Make a bubble map. Ask each student to tell you one thing he or she already knows about snails. Write each response on the map, even if the statement is incorrect. 3. Give each student (or pair of students) a clear plastic cup and a snail. Remind students that snails are living things and should be handled with care. Encourage students to touch or hold the snails. Those who prefer not to can observe the snail in the cup. Let the students observe the snails for about 15 minutes. Collect the snails and return them to the terrarium. 4. Tell the students: “Later this week, we are going to have a snail race! How can we get the snails to move towards the finish line?” They should suggest food. Ask, “If we are going to use food, how can we find out a snail’s favorite food?” Ask the students to design an experiment to find out (test different foods). You can have students vote for their top 4 or 5 choices and bring those foods in the next day to complete the experiment. Make sure lettuce is one of the choices! Once students have discovered the snail’s favorite food, have students observe the mouth of the snail while it is eating. (This is best seen by leaving the snail and the lettuce in the cup.) Encourage students to also watch how the snail moves along on its foot. 5. Read the book, “The Snail’s Spell” to the students. This book teaches all about the structure and movement of the snail. Show students the “Snails” power point to introduce new vocabulary. 6. Draw a simple sketch of a snail on the board and have students help you label all of the parts. Have students make their own sketches and label their snails in a science journal or on a piece of paper. Be sure to include the following: snail, foot, shell, tentacles, eyes, mouth. It might be Copyright © 2014 by the Board of Trustees of the University of South Carolina Page 2 of 5 helpful for students to have a snail to observe while they are drawing. These can be displayed in the classroom. 7. Snail barriers - The children will need various objects to use as barriers and snails for this activity. (Cardboard barriers can be found in the FOSS kit) Objects can be anything such as pencils, toilet paper tubes, blocks, Legos, toys, markers, etc. Have the children place a snail beside the barrier they chose and see if the snail will climb over it, go around it, or go away from it. They can exchange objects as time permits to see if their snail reacts differently to different objects. They can also build barriers taller if the snail is able to cross the original barrier. 8. Snail Races - You will need snail racetracks from the FOSS kit, snails, and lettuce for this activity. It’s best to run “heats” of 4-6 snails at a time. Have students place competitors in the middle of the track and cheer on their snails as they try to get them to the outer ring of the track. If you want, you can place winning snails aside and have all the winning snails compete for the “grand prize.” 9. Ask students how far they think a snail can move in one minute. How can we find out? Lead children to conclude that we can use a ruler to measure how far a snail moves in one minute. First, have students make predictions on how far the snail will move. Show them the tool you will use to measure and have them guess how far it will go. You can record these guesses on the board or on a chart. Choose a snail that seems to be “awake” for this activity. You will also need a ruler, a timer, and a piece of lettuce. Place the snail at the “0” mark on the ruler, but beside the ruler on a table. Gather the children around so that everyone can see. Have one student “coax” the snail to move down the length of the ruler with the lettuce. After one minute, record how far the snail moved. As time permits, you can repeat this activity with other snails to see if some move farther than others (put the snails in cups labeled A, B, C, D, etc. to differentiate between the snails). Copyright © 2014 by the Board of Trustees of the University of South Carolina Page 3 of 5 7E Procedures for Snails Lesson: 7E Engage Procedures Riddle: Can you guess the animal we will be studying? Elicit Make a bubble map. Ask each student to tell you one thing he or she already knows about snails. Write each response on the map, even if the statement is incorrect. 1. Students will observe snails in clear plastic cups with magnifying glasses. They will watch how snails move and react to the environment. 2. Have students discuss how they will get a snail to move in a Snail Race. Lead them to discover that they can use food to get snails to move. Have them design an experiment to determine a snail’s favorite food. 3. Draw a simple sketch of a snail on the board and have students help you label all of the parts. Have students draw their own snail sketch and label the main parts. Read the book, “The Snail’s Spell” to the students. This book teaches all about the structure and movement of the snail. Show students the “Snails” power point to introduce new vocabulary. Explore Explain SEPs CCCs Elaborate 1. Snail barriers - The children will create and present barriers to see how the snail reacts to the barrier. 2. Have students watch snails race from the middle of a track (FOSS kit) to the outer circle. Students can coax their snails using lettuce. 3. Students will conduct an experiment to see how far a snail can move in one minute. Evaluate Revisit the Bubble Map made earlier. Read each statement and correct any that are incorrect. Have students add new facts that they have learned from the activities. Extend Observe Snail Trails – have students dip snails in colored water and let them crawl across white paper. Compare Snails to Slugs Use Shells (FOSS kit) for addition, patterns, counting. Divide shells into sets. Compare land snails to water snails (These can often be purchased at stores that sell fish.) Copyright © 2014 by the Board of Trustees of the University of South Carolina Page 4 of 5 Post Activities and Interdisciplinary Connections: Vocabulary gastropod mucous mucous trail tentacles extend retract spiral invertebrate Science 1. Show students pictures of a slug (or bring in a live specimen if you can). Ask them to compare the slug to the snails they have been studying. Make a double bubble map comparing and contrasting the two creatures. 2. Compare land snails to water snails. Check with your local pet store to see if they sell small water snails (some will give them to you for free). Give each student a water snail in a small vial of water. Have them observe and compare the water snail to the land snails they have studied. Capture their comparisons on a double bubble map. Mathematics 1. Use shells (FOSS kit) to make patterns. 2. Let children use shells to complete simple addition or subtraction problems. 3. Have children divide the shells into different sets. Have them explain how and why they grouped the shells as they did. 4. Put shells in order from smallest to largest. Language Arts 1. Have children write a book about snails. 2. Read snail poems to children (many can be found online). 3. Read snail books to children: Are You a Snail? by Judy Allen ISBN # 0753452421 The Biggest House in the World by Leo Lionni ISBN# 0394827406 How Many Snails? A Counting Book by Paul Giganti ISBN# 0688136397 The Snail and the Whale by Julia Donaldson ISBN# 0803729227 The Snail House by Allan Ahlberg ISBN# 0763607118 Snail Trail by Ruth Brown ISBN# 0375806962 Snailology (Backyard Buddies) by Michael Elsohn Ross ISBN # 157505437X The Snail’s Spell by Joanne Ryder ISBN# 0140508910 Snails and Slugs (Nature Close-Up) by Elaine Pascoe ISBN# 1567111815 Turtles and Snails (First Discovery Books) by Gallimard Jeunesse ISBN# 0590117645 Twelve Snails to One Lizard: A Tale of Mischief and Measurement by Susan Hightower ISBN# 0689804520 Art 1. Give each student a clear plastic cup half full of water with drops of food coloring, a sheet of plain white paper, and a snail. Have the student dip the foot of the snail in the colored water and place the snail on the paper. The snail will leave behind a colored trail! The student can dip the snail again when the trail becomes clear. 2. Create spiral snails using clay, pipe cleaners, paper 3. Make signs for the Snail Race 4. Make a map of the schoolyard 5. Design a Snail Trail Maze Copyright © 2014 by the Board of Trustees of the University of South Carolina Page 5 of 5