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Science lesson plan · 6th grade (Year 7 in England) · 45 minutes

Static electricity and charges

Electricity and magnetism

CCSS NGSS.MS-PS2-3CCSS NGSS.MS-PS2-5England: KS3 Physics: Electricity and electromagnetism (static electricity)

Objective and success criteria

Students will: Static electricity and charges.

  • I can answer questions on today's skill on my own, without help.
  • I can explain each step and say why it works.
  • I can check my answer and spot a mistake.

Before and after

Needs first: Magnets and magnetic materials

Leads to: Coulomb's law: force between charges

Materials: Circuit kits (cells, wires, bulbs), Circuit symbol cards, Mini whiteboards, A diagram or short video clip of the idea, Printed student sheet (below).

Warm-up · 5 min

  • Quick retrieval from earlier learning (Magnets and magnetic materials). Students answer on mini whiteboards.
  • Show answers together and note who needs support in the main task.
  1. The south pole of one magnet is brought near the north pole of another. Do they attract or repel? (attract / repel) → attractPrompt: Like poles repel; unlike (opposite) poles attract.
  2. Is a steel food can attracted to a magnet? (magnetic / not magnetic) → magneticPrompt: Only a few metals are attracted to magnets.
  3. How could you test which of two magnets is stronger? (see which is longer / see which is heavier / see which is shinier / count how many paper clips each can hold in a chain) → count how many paper clips each can hold in a chainPrompt: A stronger magnet can hold more.

Hook · 5 min

  • Show a circuit with a gap and ask why the bulb doesn't light.
  • Share the objective: Static electricity and charges. Read the success criteria together.

I do: model it · 10 min

  • Work through the example out loud, saying why you do each step, not just what you do.
  • Example: An object with a − charge is brought near an object with a + charge. Do they attract or repel?
  • Step 1: The charges are opposite.
  • Step 2: So the answer is: attract
  • Answer: attract
  • Pause after each step and ask a student to say what comes next.

We do: guided practice · 10 min

  • Do these together. Students try each step on whiteboards before you reveal it.
  • Use the hints as prompts rather than giving the answer.
  1. An object with a − charge is brought near an object with a − charge. Do they attract or repel? (attract / repel) → repelPrompt: Like charges repel; opposite charges attract.
  2. A balloon is rubbed on a woolly jumper (sweater) and becomes negatively charged. Why? (The air charged it / Protons moved onto the balloon / The balloon made new electrons / Electrons moved from the jumper onto the balloon) → Electrons moved from the jumper onto the balloonPrompt: Only electrons can move easily between materials.

You do: independent practice · 10 min

  • Students work on the student sheet. Circulate and check the first two answers of every student early.
  • Students who finish: write a question of their own for a partner, with the answer.

The 8 questions are on the student sheet below, with answers in the key.

Exit ticket · 5 min

  • Two questions on their own. Sort answers into got it / nearly / not yet to plan the next lesson.
  1. Static electricity: which statement is NOT true? (Static charge builds up when electrons are transferred by rubbing. / Like charges repel. / Opposite charges attract. / Protons move when objects are rubbed.) → Protons move when objects are rubbed.Prompt: Which particles can move when you rub things?
  2. What causes lightning? (A huge build-up of static charge in clouds discharging / The Sun's light / Thunder heating the air / Magnets in the clouds) → A huge build-up of static charge in clouds dischargingPrompt: It is like a giant spark.

Watch out for

  • Everyday meanings of words getting in the way of the science meaning: define key words explicitly.
  • Remembering facts without the reason: ask "why?" and "what is the evidence?"

Support and stretch

Support

  • Review first: Magnets and magnetic materials.
  • Use concrete materials: circuit kits (cells, wires, bulbs).
  • Give the first step of each question, or a partly worked example to finish.
  • Pair with a confident partner for the guided practice.

Stretch

  • Move on to: Coulomb's law: force between charges.
  • Explain a common mistake in writing and how to fix it.
  • Write a word problem that uses today's skill, then solve a partner's.

Homework and more practice

Free online practice with hints and printable worksheets for this skill: eurekami.com/science/grade-6.

Free lesson plan from eurekami.com/lesson-plan-builder

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Static electricity and charges

Name

Date

Score/ 8

  1. Question 1

    Your hair stands up after you pull off a woolly hat. Why?

    • A. The hairs become magnetic
    • B. Cold air lifts them
    • C. The hairs gain the same charge and repel each other
    • D. The hairs lose their mass

  2. Question 2

    Static electricity: which statement is NOT true?

    • A. Like charges repel.
    • B. Rubbing creates new charge.
    • C. Static charge builds up when electrons are transferred by rubbing.
    • D. Insulators can hold static charge.

  3. Question 3

    An object with a + charge is brought near an object with a − charge. Do they attract or repel?

    • A. attract
    • B. repel

  4. Question 4

    A balloon is rubbed on a woolly jumper (sweater) and becomes negatively charged. Why?

    • A. The air charged it
    • B. The balloon made new electrons
    • C. Protons moved onto the balloon
    • D. Electrons moved from the jumper onto the balloon

  5. Question 5

    An object with a − charge is brought near an object with a + charge. Do they attract or repel?

    • A. attract
    • B. repel

  6. Question 6

    What causes lightning?

    • A. The Sun's light
    • B. A huge build-up of static charge in clouds discharging
    • C. Thunder heating the air
    • D. Magnets in the clouds

  7. Question 7

    An object with a + charge is brought near an object with a + charge. Do they attract or repel?

    • A. attract
    • B. repel

  8. Question 8

    An object with a − charge is brought near an object with a − charge. Do they attract or repel?

    • A. attract
    • B. repel

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Answer key: Static electricity and charges

  1. 1. C. The hairs gain the same charge and repel each other

  2. 2. B. Rubbing creates new charge.

  3. 3. A. attract

  4. 4. D. Electrons moved from the jumper onto the balloon

  5. 5. A. attract

  6. 6. B. A huge build-up of static charge in clouds discharging

  7. 7. B. repel

  8. 8. B. repel