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Sexual & Asexual Reproduction

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BRISELLE RIVERA

Tier 1
For Schools

Lesson Plan

Sexual & Asexual Reproduction

Students will learn the differences between sexual and asexual reproduction in plants, explore how animals aid pollination, and build key science vocabulary in English and Spanish through interactive multimedia and collaborative activities.

Building bilingual science literacy strengthens content understanding and language skills, empowering students to discuss reproductive processes and pollination across languages.

Audience

7th Grade Middle School Students

Time

45 minutes

Approach

Interactive bilingual activities with videos, charts, and hands-on labeling.

Materials

  • Projector or Smartboard, - Computers or Tablets with Internet Access, - Bilingual Vocabulary Handout, - Pollination Video, - Reproduction Comparison Chart, - Reproduction Diagram Cards, and - Bilingual Reproduction Quiz

Prep

Print Materials & Set Up Tech

10 minutes

  • Print copies of Bilingual Vocabulary Handout, Reproduction Comparison Chart, Reproduction Diagram Cards, and Bilingual Reproduction Quiz.
  • Queue up Pollination Video on devices and test projector/smartboard.
  • Review English/Spanish key terms on the vocabulary handout before class.

Step 1

Hook & Vocabulary Introduction

5 minutes

  • Pose the question: “How do plants and animals reproduce?” / “¿Cómo se reproducen las plantas y los animales?”
  • Distribute Bilingual Vocabulary Handout with terms like sexual reproduction/reproducción sexual, asexual reproduction/reproducción asexual, pollination/polinización.
  • Quickly review each term in English then Spanish, showing images for context.

Step 2

Explore Pollination Concepts

10 minutes

  • Play Pollination Video highlighting animal roles in transferring pollen.
  • Pause at key moments to ask students to describe what they see in English and Spanish.
  • Use Think-Pair-Share: students discuss observations in mixed-language pairs.

Step 3

Compare Reproduction Types

10 minutes

  • Hand out Reproduction Comparison Chart.
  • In pairs, students complete definitions, examples, and processes for sexual vs. asexual reproduction in both languages.
  • Provide sentence frames (e.g., “Sexual reproduction involves…”/“La reproducción sexual implica…”).

Step 4

Labeling Activity

10 minutes

  • Give each group a set of Reproduction Diagram Cards.
  • Students assemble and label flower parts and pollination steps, writing terms in English and Spanish.
  • Groups present one labeled diagram to the class, describing in both languages.

Step 5

Exit Ticket & Assessment

10 minutes

  • Distribute Bilingual Reproduction Quiz as a quick formative exit ticket.
  • Students answer 3 multiple-choice questions and 2 short-answer prompts in either language.
  • Collect quizzes to assess understanding and identify misconceptions.
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Slide Deck

Sexual vs. Asexual Reproduction Reproducción sexual vs. asexual

7th Grade Science / Ciencias 7° Grado

Agenda / Agenda:

  1. Vocabulary / Vocabulario
  2. Video / Video
  3. Comparison Chart / Cuadro comparativo
  4. Diagram Activity / Actividad de diagrama
  5. Exit Ticket / Evaluación de salida

Welcome students! Introduce today’s topic and share the agenda. Explain that we will explore how plants reproduce sexually and asexually and how animals help with pollination, all in English and Spanish.

Key Vocabulary Vocabulario clave

• Sexual reproduction — reproducción sexual
• Asexual reproduction — reproducción asexual
• Pollination — polinización
• Pollen — polen
• Seed — semilla

Display each term and image. Pronounce in English, then Spanish. Ask volunteers to repeat. Point out cognates (e.g., reproduction–reproducción).

Play the video. Pause at 1:00 and 2:30. Ask: “What animal is carrying pollen? / ¿Qué animal transporta el polen?” Encourage answers in both languages.

Compare Reproduction Types Reproducción sexual vs. asexual

Use the Reproduction Comparison Chart to:

  1. Define each type / Definir cada tipo
  2. Give an example / Dar un ejemplo
  3. Describe the process / Describir el proceso

Guide pairs to fill in definitions, examples, and processes in both languages. Circulate and support with sentence frames.

Label the Diagram Etiqueten el diagrama

  1. Get Reproduction Diagram Cards.
  2. Assemble the flower and pollination steps.
  3. Label parts in English & Spanish.
  4. Prepare to explain your diagram.

Distribute the diagram cards. Students build and label flower parts and pollination steps in English and Spanish. Invite one group to present.

Exit Ticket Evaluación de salida

Complete the Bilingual Reproduction Quiz:
• 3 multiple-choice questions / 3 preguntas de opción múltiple
• 2 short-answer prompts / 2 preguntas de respuesta corta
Use English or Spanish.

Hand out the quiz. Remind students they can answer in either language. Collect when finished to check understanding.

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Worksheet

Bilingual Vocabulary Handout / Hoja de vocabulario bilingüe

Sección 1: Traduce al español / Translate to Spanish

Para cada término en inglés, escribe la traducción al español.

  1. Sexual reproduction — __________________________


  2. Asexual reproduction — __________________________


  3. Pollination — __________________________


  4. Pollen — __________________________


  5. Seed — __________________________


  6. Flower — __________________________


Sección 2: Traduce al inglés / Translate to English

Para cada término en español, escribe la traducción al inglés.

  1. reproducción sexual — __________________________


  2. reproducción asexual — __________________________


  3. polinización — __________________________


  4. polen — __________________________


  5. semilla — __________________________


  6. flor — __________________________


Sección 3: Define en inglés y español / Define in English and Spanish

Elige dos términos de arriba. Para cada uno, escribe una definición en inglés y otra en español.

Término 1 / Term 1: ___________________________________________


Definition in English:






Definición en español:






Término 2 / Term 2: ___________________________________________


Definition in English:






Definición en español:






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Worksheet

Reproduction Comparison Chart / Cuadro comparativo de reproducción

Directions / Instrucciones:

Complete each section by writing in both English and Spanish. Usa tanto inglés como español.

1. Definition / Definición

Sexual reproduction / Reproducción sexual

  • Definition in English:





  • Definición en español:





Asexual reproduction / Reproducción asexual

  • Definition in English:





  • Definición en español:





2. Example / Ejemplo

Sexual reproduction / Reproducción sexual

  • Write one example in English:





  • Escribe un ejemplo en español:





Asexual reproduction / Reproducción asexual

  • Write one example in English:





  • Escribe un ejemplo en español:





3. Process Description / Descripción del proceso

Sexual reproduction / Reproducción sexual

  • Describe the steps in English:










  • Describe the steps in Spanish:










Asexual reproduction / Reproducción asexual

  • Describe the steps in English:










  • Describe the steps in Spanish:










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Activity

Reproduction Diagram Cards

Instructions for Teachers:

  • Print this page on cardstock and cut out along the solid lines to create cards.
  • Each group of students should receive:
    • 1 Flower Diagram Card (unlabeled)
    • 10 Label Cards (English/Spanish terms)
    • 4 Pollination Step Cards (with images and bilingual descriptions)

Flower Diagram Card

[Illustration: Outline of a flower with blank pointer lines to parts (sepals, petals, stamen, pistil, ovary, style, stigma)]

(Students will attach label cards to the correct pointer lines.)

Label Cards (Cajas de etiquetas)

Cut out each of the following:

• Petal / Pétalo
• Sepal / Sépalo
• Stamen / Estambre
• Pistil / Pistilo
• Ovule / Óvulo
• Pollen / Polen
• Stigma / Estigma
• Anther / Antera
• Filament / Filamento
• Receptacle / Receptáculo

(Each card shows the English term on one side and the Spanish term on the back.)

Pollination Step Cards (Tarjetas de etapas de polinización)

  1. Step 1 / Paso 1

    • English: A pollinator (bee, butterfly, bird) visits a flower and picks up pollen.
    • Español: Un polinizador (abeja, mariposa, pájaro) visita una flor y recoge polen.



  2. Step 2 / Paso 2

    • English: The pollinator flies to another flower, carrying pollen on its body.
    • Español: El polinizador vuela a otra flor con polen en su cuerpo.



  3. Step 3 / Paso 3

    • English: Pollen grains land on the stigma of the second flower.
    • Español: Los granos de polen llegan al estigma de la segunda flor.



  4. Step 4 / Paso 4

    • English: A pollen tube grows, sperm cells fertilize the ovule, and seeds develop.
    • Español: Crece un tubo polínico, las células espermáticas fertilizan el óvulo y se forman las semillas.



Student Task:

  1. Assemble the Flower Diagram Card on your workspace.
  2. Match each Label Card to the correct part of the flower by placing or taping it on the pointer line.
  3. Sequence the Pollination Step Cards in the correct order and explain each step aloud in English and Spanish.
  4. Be prepared to present your labeled diagram and describe pollination steps bilingually.
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Quiz

Bilingual Reproduction Quiz

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