### Lesson Plan for Basic Science and Technology
#### Grade: Primary 3
#### Duration: 2 hours
#### Topic: Qualities of Water, Components of the CPU, Safety Rules in Tennis
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**I. Objectives:**
1. **Knowledge:**
- Identify and describe the qualities of water.
- List and explain the basic components of the CPU.
- Understand and explain safety rules in playing tennis.
2. **Skills:**
- Observe and discuss the properties of water through simple experiments.
- Recognize and label parts of the CPU in a diagram.
- Demonstrate understanding of safety rules in a tennis activity.
3. **Attitudes:**
- Appreciate the importance of water, understanding its qualities.
- Show awareness of how computers work, focusing on the CPU.
- Value safety and sportsmanship in tennis and other activities.
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**II. Materials:**
- Clear containers, water, food coloring, salt, sugar, and various objects (coins, paper clips, pebbles)
- Computer or diagram of a CPU
- Tennis racket, tennis ball, and a small net or boundary markers
- Whiteboard and markers
- Printed handouts or visual aids on CPU components and tennis safety rules
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**III. Procedure:**
**A. Introduction (20 minutes):**
1. **Greeting and Attendance:**
- Welcome students and take attendance.
2. **Warm-up Discussion:**
- Start a brief discussion by asking students about their experiences with water, computers, and tennis.
- Introduce the day's topics: Qualities of water, Components of the CPU, and Safety rules in tennis.
**B. Development (70 minutes):**
1. **Qualities of Water (20 minutes):**
- **Explanation:**
- Discuss the importance of water and its uses.
- Introduce the qualities of water: colorless, odorless, tasteless, and transparent.
- **Activity:**
- Simple experiments:
- Add food coloring to water to demonstrate that pure water has no color.
- Mix water with salt and sugar to show it can dissolve substances.
- Drop objects in water to show buoyancy.
2. **Components of the CPU (25 minutes):**
- **Explanation:**
- Define what a CPU (Central Processing Unit) is: the brain of the computer.
- Introduce basic components: control unit, arithmetic logic unit (ALU), and memory or registers.
- **Activity:**
- Show diagram of CPU and ask students to label parts.
- Discuss the function of each component with examples.
- Hands-on activity: assembling a simple computer component puzzle.
3. **Safety Rules in Tennis (25 minutes):**
- **Explanation:**
- Introduce basic tennis safety rules: wearing proper gear, warming up, respecting boundaries, and using equipment correctly.
- **Activity:**
- Demonstration: Show correct ways to hold a tennis racket and swing.
- Practical session: Set up a mini-court, divide students into small groups, and practice hitting the ball while following safety rules.
- Role-play scenarios of safety situations and have students discuss the correct actions to take.
**C. Conclusion (30 minutes):**
1. **Review and Recapitulation:**
- Recap main points about water qualities, CPU components, and tennis safety rules.
- Ask students to share their learnings and favorite part of the lesson.
2. **Assessment:**
- Conduct a quick quiz with questions about each topic.
- Review answers as a class.
3. **Homework:**
- Assign students to draw and label the CPU components, describe a safety rule in tennis in their own words, and list three qualities of water for submission the next day.
**D. Closing:**
- Thank students for their participation.
- Provide a preview of the next lesson.
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**IV. Evaluation:**
1. **Observation:**
- Monitor students' engagement and participation during activities.
- Ensure understanding through questions and practical demonstrations.
2. **Homework Assessment:**
- Review and provide feedback on students' assignments.
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**V. Extensions:**
- Plan a visit to a computer lab for hands-on experience.
- Organize a mini-tennis match to practically apply safety rules.
- Explore a water filtration process as an extended science activity.
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### End of Lesson Plan
**Note for Teachers:** This lesson plan can be adjusted in time or activities based on class size, available resources, and specific classroom needs.