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Subject: General Science
Semester: 1
Period: 1
Week: 2
School Name:
Teacher’s Name:
Subject: General Science
Grade Level: Grade 3
Date: Week 2
Lesson Duration: 45 minutes
Week & Period: Week 2, Period 1
Topic: Components and Examples of Each Sphere
Sub-topic: Exploring the Unique Components of Each Sphere
Learning Objectives
By the end of the lesson, students should be able to:
Learners will interpret information from models of how the Earth is organized.
Learners will explain that the Earth is organized in different ways for different purposes.
Learners will relate the Earth’s spheres to their unique components.
Previous Knowledge
Students already know:
The Earth has different spheres: geosphere, hydrosphere, atmosphere, and biosphere.
Instructional Materials
Pictures of soil, rocks, rivers, air, plants, animals; globe; charts; worksheets.
Lesson Development – ABC Model
A – Anticipation (Warm-up / Starter)
Time: 5–10 minutes
Ask learners to recall the four spheres of the Earth and provide examples. Display images and ask learners to guess which sphere they belong to.
B – Building Knowledge (Main Lesson Body)
Time: 25–30 minutes
Learners’ Activities (Expanded):
- Students work in groups to sort examples into the four spheres using pictures, cut-outs, or real-life samples brought from home or the school environment (e.g., soil, small rocks, water from a jar, leaves, toy animals, cotton for clouds).
- Learners discuss in pairs or small groups why each example belongs to a specific sphere, encouraging reasoning and justification.
- Learners complete a worksheet where they match a variety of examples (e.g., river, mountain, air, cow, tree, cloud, sand) to the correct sphere.
- Groups can present one example from each sphere to the class, explaining why it belongs to that sphere.
- Optional practical: students create a mini-sphere chart on cardboard or in notebooks by drawing each sphere and pasting small pictures or drawings representing components of each.
Assessment Checks (Expanded):
- Ask learners to explain their choices on the worksheet, ensuring they can justify why an example belongs to a particular sphere.
- Observe participation during group discussions, noting learners who demonstrate understanding and those who need guidance.
- Ask open-ended questions such as:
- “What is the difference between geosphere and hydrosphere?”
- “Can you give an example of something that is part of more than one sphere?”
- Correct misconceptions in real-time, for example if a student places a fish in the geosphere instead of biosphere/hydrosphere.
Notes (Expanded & Detailed):
- Geosphere – includes soil, rocks, mountains, hills, valleys, and sand. Example: soil in a farm, rocks in the playground.
- Hydrosphere – includes rivers, lakes, oceans, puddles, and rainwater. Example: Saint Paul River, rainwater in a bucket.
- Atmosphere – includes air, wind, clouds, rain, and other weather elements. Example: breeze during recess, clouds forming in the sky.
- Biosphere – includes all living things such as humans, animals, and plants. Example: cats, maize, school garden flowers.
- Real-life examples help learners connect theory to their daily lives and understand that the spheres interact: plants (biosphere) need soil (geosphere), water (hydrosphere), and air (atmosphere) to grow.
- Emphasize that understanding each sphere individually helps learners appreciate how Earth is organized for different purposes.
C – Consolidation (Conclusion & Assessment)
Time: 5–10 minutes
Summary:
Review each sphere and its components. Reinforce understanding using learners’ examples from the group activity.
Evaluation Method (Expanded)
Exit slip/quiz: Learners name one component of each sphere.
Teacher collects slips and gives oral feedback.
Assignment (Expanded)
Observe your environment and record five things, identifying the sphere each belongs to.
Follow-up Activity
Create a mini-poster showing examples of the four spheres from home or school.
Differentiation / Inclusive Strategies
Use picture cards for visual learners. Pair learners with different strengths for discussion. Provide guidance for learners with writing difficulties.
Teacher’s Reflection (After Class)
What worked well? ___________________________________________
What needs improvement? ____________________________________
Students’ engagement level: ☑ High ☑ Medium ☑ Low