Lesson Overview

Grade: 5
Duration: 60 minutes
Class Size: 25 students
Subject: Science
Ontario Curriculum Strand: Understanding Basic Concepts in Physical Science (Grades 4-6)
Unit Topic: Electricity and Electrical Devices – focused on static electricity (Grade 5)

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Curriculum Connections

Primary Reference:
Ontario Curriculum, Grade 5 Science and Technology, 2023 (Revised)

Overall Expectation:

• Electrical Principles and Technologies: Demonstrate an understanding of electricity and electrical devices.

Specific Learning Expectations:

• Investigate and describe static electricity as a type of electrical charge (e.g., using experiments). (SNC1-05)
• Demonstrate and explain effects of static electricity in everyday life using simple investigations (e.g., balloon, comb experiments). (SNC1-05)

Science and Technology Process Skills:

• Observing and recording data
• Making predictions
• Conducting simple investigations
• Communicating scientific ideas clearly

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Learning Objectives

By the end of this lesson, students will be able to:

1. Explain the concept of static electricity as the build-up of electrical charge on the surface of objects.
2. Identify materials that produce static electrical charges through friction (e.g., balloon, wool, plastic comb).
3. Conduct simple static electricity experiments to observe attraction and repulsion effects.
4. Describe real-world examples of static electricity and its effects on everyday life.
5. Use scientific vocabulary accurately, including terms such as electrons, charge, friction, attraction, and repulsion.

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Materials Needed

• Balloons (one per student, plus extras)
• Wool cloth or fabric pieces
• Plastic combs (one per pair)
• Small pieces of paper or tissue
• Aluminium cans (empty, clean, one per group)
• PVC pipes (optional)
• Styrofoam plates (optional)
• Chart paper and markers for group recording
• Whiteboard and markers
• Student science notebooks

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Lesson Plan Details

1. Introduction (10 minutes)

• Engage: Begin with a quick demonstration: Rub a balloon on your hair or a wool cloth and bring it near small pieces of paper or your hair to show static electricity in action.
• Ask: "What do you notice? Why do these pieces of paper jump to the balloon?"
• Write key terms on the board: static electricity, electrons, friction, charge.
• Briefly explain that static electricity happens when tiny electrical charges build up on objects, often caused by rubbing (friction).

Curriculum Link: This starter addresses the expectation to investigate static electricity effects.

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2. Direct Teaching & Discussion (15 minutes)

• Explain the scientific reason behind static electricity: atoms and electrons, how friction transfers electrons between materials, leading to a positive or negative charge. Use simple language – electrons move, build-up causes attraction or repulsion.
• Show with diagrams on the board how charges interact: like charges repel; opposite charges attract.
• Discuss examples of static electricity in daily life: clothes sticking together from the dryer, shock from doorknob, lightning (brief intro).
• Encourage student questions and note responses on chart paper for reference.

Curriculum Link: Relates to knowledge acquisition and understanding phenomena in physical science.

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3. Hands-On Investigation (25 minutes)

Experiment 1: Balloon and Paper Pieces

• Students rub the balloon on wool/cloth for 30 seconds.
• Bring balloon close to small paper scraps and observe.
• Record observations: What happens? Why?

Experiment 2: Comb and Aluminium Can

• Students rub comb on wool.
• Place the comb near a lightweight aluminium can on a smooth surface; observe movement of can.
• Discuss: Why does the can move without touching the comb?

Group Work & Sharing:

• Divide into small groups (4-5). Each group repeats experiments and completes a simple data chart in their science notebook: "Object rubbed with," "Object affected," "Observation."
• Teacher circulates, asks guiding questions and encourages use of scientific vocabulary.

Curriculum Link: Students are conducting investigations and communicating findings.

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4. Class Discussion & Wrap-Up (7 minutes)

• Groups share key observations.
• Discuss the importance of static electricity and any surprising findings.
• Highlight the concept of electrical charges and their interactions based on evidence collected.
• Ask students to reflect in their notebooks: "Where have I experienced static electricity before?"

Reinforcement:

• Revisit key vocabulary on the board and prompt students to use at least 3 new words in their responses.

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5. Assessment & Evaluation (3 minutes)

• Formative Assessment:

  • Observe student participation and engagement in experiments.
  • Review student notebooks to check understanding and use of correct terms.
  • Use oral questioning during and after activities to gauge conceptual grasp.

• Exit Ticket:

  • On a small card, each student writes one fact about static electricity and one question they still have. This encourages metacognition and informs next lessons.

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Differentiation and Extensions

• For students needing support:
  • Work with partners for experiments.
  • Use labelled diagrams to help visualize static electricity.
• Extensions for advanced learners:
  • Investigate static electricity using different materials (e.g., rubbing PVC pipe, styrofoam plate – if available).
  • Introduce simple concepts of electrical grounding and real lightning safety tips.

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Safety Considerations

• Ensure no students put balloons or small pieces in their mouths.
• Monitor careful use of materials to avoid slipping hazards from rolling cans.
• Handle and dispose of materials properly after experiments.

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Teacher Reflection Prompts (Post Lesson)

• How effectively did students understand the abstract concept of electrons and electrical charges?
• Did the hands-on activities increase student engagement?
• Which parts of the lesson generated the most curiosity or questions?
• Are there observable shifts in vocabulary usage concerning electricity?

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Summary

This static electricity lesson plan immerses Grade 5 students in the tangible phenomena of electrical charges through inquiry-based learning fully aligned with Ontario curriculum expectations. It balances direct instruction with experiments, encouraging scientific thinking and accurate communication of concepts while fostering curiosity about everyday scientific phenomena.