📖

Plants Breathe Too

Photosynthesis and Plant Processes

Day 18of 180
Week 4of 36
40Minutes
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🖨️ Download Worksheet (PDF)

Learning Objectives

1

Understand how plants exchange gases through stomata

2

Demonstrate how plants 'breathe' differently from animals

3

Appreciate God's intricate design in plant life processes

Genesis 1:11

God said, 'Let the earth put forth grass, herbs yielding seed, and fruit trees bearing fruit after its kind, with its seed in it, on the earth;' and it was so.

Genesis 1:11 (WEB)

Highlights God's intentional design in creating plant life with complex, functional systems

📦 Materials Needed

  • 2-3 potted plants
  • clear plastic bags
  • rubber bands
  • magnifying glass
  • notebook
  • pencil

Lesson Plan

1Opening (5 min)

Today's BibleMouse lesson explores how plants 'breathe' in their unique way. Just like we take in oxygen, plants have their own amazing system of gas exchange!

💭 Review Question: What did we learn about photosynthesis in our last lesson?
2Teaching (15 min)

Plants have tiny openings called stomata on their leaves that allow them to take in carbon dioxide and release oxygen. These microscopic 'breathing holes' work differently from how we breathe.

📌 Key Talking Points:
  • Stomata are like tiny doors on leaf surfaces
  • They open and close to control gas exchange
  • Plants use carbon dioxide to make food during photosynthesis
💬 Discussion Questions:
  • How might stomata help a plant survive?
  • What would happen if stomata couldn't open or close?
3Activity: Stomata Observation Experiment (15 min)
hands-on

Wrap a clear plastic bag around a plant branch to observe how plants release water and gases.

📝 Instructions:
  1. Select a healthy potted plant
  2. Carefully place a clear plastic bag over a branch
  3. Secure the bag with a rubber band
  4. Wait 1-2 hours and observe condensation inside the bag
🔄 Variations:

Simpler: Use just one plant and focus on observation

Challenge: Compare different types of plants and their gas exchange rates

4Closing (5 min)

Recap how plants 'breathe' through stomata, releasing oxygen that helps us live

📝 Review Questions:
  • What are stomata?
  • How do plants use carbon dioxide?

Coming up: Tomorrow we'll investigate how plants move water through their leaves in our Transpiration Investigation

Teaching Notes

📚 Background:

Stomata are microscopic pores in leaf epidermis that regulate gas exchange and water loss

💡 Teaching Tips:
  • Use a magnifying glass to help child see leaf details
  • Encourage careful, patient observation during the experiment
🤔 Common Struggles:

Children might find it hard to understand invisible processes like gas exchange

👀 Signs of Understanding:

Child's ability to describe how stomata work and their curiosity about plant processes

Extension Activities

  • Draw and label a detailed diagram of leaf stomata
  • Research how different plants have different stomata patterns

Ready for Tomorrow?

Great job completing today's lesson!

Continue to Day 19Back to Science