ScienceEnergyAges 10–12

Why circuit components behave differently

Compare and give reasons for variations in how circuit components function, including brightness of bulbs, loudness of buzzers, and switch positions

Lesson

Set out your lesson

Reason about a simple series-circuit model without saying current is used up.

Before teaching

Use this short check, then start teaching.

Activity

Comfort with the particular task and communication mode; optional oral/scribed work is recorded separately.

Policy

Check the learner can access these words/materials and prerequisite ideas; historical authorship is not readiness or mastery. If not, demonstrate briefly or revisit the named prerequisite.

Printer, credit, and teaching notes

Check the learner can access these words/materials and prerequisite ideas; historical authorship is not readiness or mastery. If not, demonstrate briefly or revisit the named prerequisite.

Use circuit drawings only for this stage. No mains, coin cells, improvised wiring or unverified hardware. Practical build remains a later adult-supervised kit activity. No printer: view only the active learner card on screen, or an adult copies its exact prompts onto plain paper without answers. Oral pointing/dictation is an access option; record it as adapted/supported and do not claim handwriting from it. Keep adult keys/scripts separate; supply only the current stage.

Use the complete materials on screen or print only the current sheet. Keep adult guidance out of learner view.

Next: Show

Adult extras

Teaching limits and safe use

These are finite task opportunities, not proof of mastery. Record what was attempted and what support was used.

Primary circuit research retrieval failed; domain verification remains open. Buzzers, mixed components, parallel circuits and actual measurements are not covered. ‘Energy shared’ alone is an incomplete explanation.

Use fictional cases and invented identifiers; never record personal conflicts, health, bank details or family spending. Adult prompts/keys are private companion files, never learner links.

Share teaching feedback

Continue learning

Share and support

Family records and proof options

Keep a record of your learning

Save photos, notes, and attendance. Export a proof packet for compliance or portfolio reviews.

View learner plans ($12/mo per learner) See sample family archive

Learning resources

Extra practice links — they do not replace Gakuva’s teaching approach.

PhET Interactive Simulations · Practice link — not the full lesson

Circuit Construction Kit: DC

Open practice(new tab)

Before you open · source notes

Circuit Construction Kit: DC supports hands-on exploration for Why circuit components behave differently. Not every lab worksheet.

Free interactive page, no sign-in required for the tested path.

Before you open

Ask the learner what they changed in the sim or page and what they observed.

Opening this link does not save learning or assess mastery.

Source, access and review notes

Public PhET Interactive Simulations page. An anonymous GET on 2026-11-12 returned HTTP 200 with no login or payment prompt for this URL. Opening the link does not save practice or assess mastery. An adult should preview and guide the learner.

PhET Interactive Simulations. “Circuit Construction Kit: DC.” External page; Gakuva does not copy, host, embed, or redistribute materials.

Unknown — link only

Check understanding

Explain why adding more components in series reduces brightness/loudness (energy shared)
Compare circuits with different configurations and predict component behaviour
Give reasoned explanations for observed variations in component function

“If your child adds a second bulb to a series circuit and it gets dimmer, can they explain why the energy is being shared between the two bulbs?”

Curriculum record

Type: Conceptual
Subject: Science
Domain: Energy
Age range: Ages 10–12

Standards

acara-v9:AC9S6U03acara-v9:AC9TDE6K02acara-v9:AC9TDE6K05uk-nc-2013:Y6.Sci.E.2

Curriculum