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Branches of Government: Three Parts, One Balance

Students explore the three branches of the U.S. government and discover why the power to run the country is split into three — so no single part can become too powerful.

Grade 3Civics45 minutes1 class periodC3 InquiryExplicit teaching4 StandardsC3 + CCSS
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Lesson at a Glance

Everything you need before the bell rings

Learning Objectives

Students will be able to…

  • ✓Name the three branches: legislative, executive, judicial.
  • ✓Describe the job of each branch.
  • ✓Explain why power is divided (checks and balances).
  • ✓Match a government job to its branch.
Essential Question

Running a whole country is a huge job. Why does the United States split that job into three separate branches instead of giving it to one person?

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Lesson Phases
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Vocabulary Terms
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Standards Aligned
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Interactive Task
Explore Government · Interactive

The Branches Explorer

Project this and tap each branch. Have students record what each one does and who leads it.

🏛️ Explore the three branches — tap eachTry it

The Lesson · C3 Inquiry Arc (Question · Investigate · Conclude)

45 minutes, five moves

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

1

Compelling Question — Too Much Power?

5 min

Should one person run the whole country?

👩‍🏫 Teacher Moves

  • Ask if one person should have all the power.
  • Discuss why that could be risky.
  • Pose the question about splitting power.

🎒 Student Actions

  • Give an opinion.
  • Explain the risk.
  • Predict the three branches.
2

Investigate — Explore the Branches

10 min

Students investigate the Branches Explorer.

👩‍🏫 Teacher Moves

  • Send students to the Branches Explorer.
  • Have them record each branch’s job.
  • Note who leads each branch.

🎒 Student Actions

  • Tap each branch.
  • Record its job.
  • Name who leads it.
3

Analyze — Who Does What

12 min

Students analyze roles.

👩‍🏫 Teacher Moves

  • Match jobs to branches (make/carry out/judge laws).
  • Introduce checks and balances simply.
  • Ask why three is better than one.

🎒 Student Actions

  • Match jobs to branches.
  • Explain checks and balances.
  • Say why power is split.
4

Draw Conclusions — Which Branch?

13 min

Students conclude with scenarios.

👩‍🏫 Teacher Moves

  • Give scenarios (a new law, a court case).
  • Have students name the branch.
  • Discuss how branches work together.

🎒 Student Actions

  • Name the branch for each scenario.
  • Explain the match.
  • Describe how branches balance.
5

Take Informed Action — Make a Poster

5 min

Students represent the branches.

👩‍🏫 Teacher Moves

  • Have students make a 3-branch poster.
  • Include each branch’s job.
  • Hand out the exit ticket.

🎒 Student Actions

  • Make a branches poster.
  • Label each job.
  • Complete the exit ticket.
Standards Alignment

Built to the standards you report on

Aligned to the C3 Framework for Social Studies and Common Core literacy in social studies.

C3
D2.Civ.1.3-5

Distinguish the responsibilities and powers of government officials at various levels and branches.

C3
D2.Civ.4.3-5

Explain how groups of people make rules to create responsibilities and protect freedoms.

C3
D2.Civ.2.3-5

Explain how a democracy relies on people’s responsible participation.

CCSS
RI.3.7

Use information gained from illustrations and words to demonstrate understanding.

Differentiation

One lesson, every learner

Multilingual Learners

ELL / EMERGING READERS
  • Branch picture icons (dome, person, scales).
  • Sentence frame: “The ___ branch ___ the laws.”
  • Act out make/carry out/judge a law.

Support & Access

IEP / 504
  • Match branch to job with cards.
  • Focus on legislative vs. executive first.
  • Provide a labeled branches chart.

Stretch & Extend

GIFTED / EARLY FINISHERS
  • Explain a real check-and-balance example.
  • Compare federal, state, and local government.
  • Research the leader of each branch.
Materials

What to gather

  • 📽️Projector / board
  • 📓Social studies notebooks
  • 💻The Branches Explorer
  • 🖼️Branch picture cards
  • ✏️Colored pencils
  • 🎫Exit-ticket slips
Vocabulary

Key terms — hover for a quick definition

governmentthe group that runs a countrybranchone part of the governmentlegislativethe branch that makes lawsexecutivethe branch that carries out lawsjudicialthe branch that judges lawsCongressthe legislative branch (Senate + House)lawa rule everyone must followchecks and balanceshow branches limit each other
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
Name the three branches of the U.S. government.
Legislative, executive, and judicial.
QUESTION 2
Which branch makes the laws?
The legislative branch (Congress).
QUESTION 3
Why is the government’s power split into three branches?
So that no single branch (or person) can become too powerful — the branches check and balance each other.

Going deeper? Run a class government.

Have students set up a mini class government with a group that makes rules, one that carries them out, and one that settles disputes — then reflect on how the three worked together. A printable setup guide is in the Social Studies 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.

🃏 Branches of GovernmentFlip
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Practice · Quiz

Check your understanding

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

📝 Branches of GovernmentQuiz
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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.

🖨️ Branches of GovernmentPrint
Name: ________________________
Date: ____________

Part A · Write the word that matches each meaning

Word bank: branch, checks and balances, Congress, executive, government, judicial, law, legislative
  1. the group that runs a country
  2. one part of the government
  3. the branch that makes laws
  4. the branch that judges laws
  5. how branches limit each other
  6. the branch that carries out laws
  7. a rule everyone must follow
  8. the legislative branch (Senate + House)

Part B · Show what you learned

  1. Name the three branches of the U.S. government.
  2. Which branch makes the laws?
  3. Why is the government’s power split into three branches?
Answer key — Part A: 1) government · 2) branch · 3) legislative · 4) judicial · 5) checks and balances · 6) executive · 7) law · 8) Congress
Part B: 1) Legislative, executive, and judicial. 2) The legislative branch (Congress). 3) So that no single branch (or person) can become too powerful — the branches check and balance each other.