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Electric Circuits

Eleventh graders learn how electric circuits carry energy, from the current that flows to the voltage that drives it and the resistance that opposes it, and how series and parallel paths differ.

Grade 11Electric Circuits55 minutes1 class period5E ModelExplicit teaching4 StandardsNGSS
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Lesson at a Glance

Everything you need before the bell rings

Learning Objectives

Students will be able to…

  • ✓Define current, voltage, resistance.
  • ✓Relate them with Ohm's law.
  • ✓Compare series & parallel.
  • ✓Match each term.
Essential Question

Flip a switch and a light comes on instantly. What is actually flowing in the wires, what drives it, and why does the way a circuit is wired change everything?

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Lesson Phases
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Vocabulary Terms
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Standards Aligned
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Interactive Task
Match It · Interactive

Match the Term

Project this and match each circuit term to what it means — tap a term, then tap its meaning.

🔗 Match each term to what it meansTry it
Term
What it means
Tap a term, then tap what it means.
The Lesson · 5E Instructional Model (Engage · Explore · Explain · Elaborate · Evaluate)

55 minutes, five moves

Tap any phase to open the teacher moves and student actions.

1

Hook — One Switch, Many Lights

5 min

Why does one dead bulb in some strings kill them all, but not in others?

👩‍🏫 Teacher Moves

  • Show two light strings.
  • Ask what differs.
  • Set the goal.

🎒 Student Actions

  • Observe.
  • Guess.
  • Get ready.
2

Use — Match the Term

12 min

Students match each circuit term to its meaning.

👩‍🏫 Teacher Moves

  • Send students to Match the Term.
  • Match each pair.
  • Note the meaning.

🎒 Student Actions

  • Match.
  • Say.
  • Note it.
3

Modify — Apply Ohm's Law

13 min

Students relate voltage, current, resistance.

👩‍🏫 Teacher Moves

  • Write V = I × R.
  • Solve for a missing value.
  • Check the units.

🎒 Student Actions

  • Write.
  • Solve.
  • Check.
4

Create — Design a Circuit

15 min

Students sketch a working circuit.

👩‍🏫 Teacher Moves

  • Draw a series circuit.
  • Draw a parallel circuit.
  • Label each part.

🎒 Student Actions

  • Draw.
  • Draw.
  • Label.
5

Reflect — Series vs Parallel

5 min

Students reflect on the two wiring types.

👩‍🏫 Teacher Moves

  • What does resistance do?
  • Why choose parallel wiring?
  • Complete the exit ticket.

🎒 Student Actions

  • Say it.
  • Say it.
  • Complete the exit ticket.
Standards Alignment

Built to the standards you report on

Aligned to the Next Generation Science Standards (High School Life Science).

NGSS
HS-PS3-3

Design, build, and refine a device that works within given constraints to convert one form of energy into another.

NGSS
HS-PS2-5

Plan and conduct an investigation to provide evidence that an electric current can produce a magnetic field.

NGSS
HS-PS3-1

Create a computational model to calculate the change in energy of one component in a system.

CCSS
HSN-Q.A.1

Use units as a way to understand problems and guide the solution of circuit calculations.

Differentiation

One lesson, every learner

Multilingual Learners

ELL / EMERGING READERS
  • Term + meaning cards.
  • Sentence frame: “___ is measured in ___ .”
  • Match one pair at a time.

Support & Access

IEP / 504
  • Start with current and voltage.
  • Build a simple circuit with a battery and bulb.
  • Match one term fully before the next.

Stretch & Extend

GIFTED / EARLY FINISHERS
  • Solve multi-step Ohm's-law problems.
  • Compare total resistance in series vs parallel.
  • Add power (P = IV) calculations.
Materials

What to gather

  • 📽️Projector / board
  • 🔋Batteries, bulbs, wires
  • 💻Match the Term
  • 🧮Multimeters
  • ✏️Pencils
  • 🎫Exit-ticket slips
Vocabulary

Key terms — hover for a quick definition

electric circuita path that lets electric current flow in a loopcurrentthe flow of electric charge, measured in amperesvoltagethe push that drives current, measured in voltsresistancethe opposition to current, measured in ohmsOhm's lawthe rule that voltage equals current times resistance (V = I × R)series circuita circuit with a single path for the currentparallel circuita circuit with more than one path for the currentconductora material that lets current flow easily
Evaluate

Exit Ticket

Preview the three formative checks. Tap “Sample answer” to see what mastery looks like — hide them before you print for students.

QUESTION 1
What do current, voltage, and resistance each measure?
Current is the flow of charge (amps), voltage is the push that drives it (volts), and resistance opposes the flow (ohms).
QUESTION 2
State Ohm's law.
Voltage equals current times resistance: V = I × R.
QUESTION 3
What is the key difference between a series and a parallel circuit?
A series circuit has one path for the current; a parallel circuit has more than one path (branches).

Create: design a circuit.

Have students draw one series circuit and one parallel circuit, label the current, voltage source, and resistors, and note how each behaves if one bulb fails. A printable circuits worksheet is in the Science library.

Study · Flashcards

Study the key terms

Tap a card to flip it, then rate whether you knew it. Built from this lesson’s vocabulary.

🃏 Electric CircuitsFlip
Card 1
Term
Tap to flip →
Meaning
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Practice · Quiz

Check your understanding

A quick self-check with instant feedback, drawn from this lesson’s key terms.

📝 Electric CircuitsQuiz
Score: 0
1 / 6
Question 1
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Nice work!

Practice · Worksheet

Printable worksheet

A print-and-go review sheet with a built-in answer key. Tap “Show answer key” to reveal answers, or print the clean version for students.

🖨️ Electric CircuitsPrint
Name: ________________________
Date: ____________

Part A · Write the word that matches each meaning

Word bank: conductor, current, electric circuit, Ohm's law, parallel circuit, resistance, series circuit, voltage
  1. the opposition to current, measured in ohms
  2. the rule that voltage equals current times resistance (V = I × R)
  3. a circuit with more than one path for the current
  4. a material that lets current flow easily
  5. the push that drives current, measured in volts
  6. a circuit with a single path for the current
  7. a path that lets electric current flow in a loop
  8. the flow of electric charge, measured in amperes

Part B · Show what you learned

  1. What do current, voltage, and resistance each measure?
  2. State Ohm's law.
  3. What is the key difference between a series and a parallel circuit?
Answer key — Part A: 1) resistance · 2) Ohm's law · 3) parallel circuit · 4) conductor · 5) voltage · 6) series circuit · 7) electric circuit · 8) current
Part B: 1) Current is the flow of charge (amps), voltage is the push that drives it (volts), and resistance opposes the flow (ohms). 2) Voltage equals current times resistance: V = I × R. 3) A series circuit has one path for the current; a parallel circuit has more than one path (branches).