Electricity and Circuits Worksheets for Grade 4

Grade 4 Science 12 Printable Worksheets 100% FREE

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Electricity and circuits is one of the most hands-on and engaging science units fourth graders explore. Students learn that electricity requires a complete, unbroken loop — a closed circuit — to flow, and they investigate the components that make up simple circuits: batteries that supply energy, wires that carry current, switches that open and close the path, and bulbs or other loads that convert electrical energy into light or heat. Students also distinguish conductors from insulators.

The main challenge is understanding why a circuit must be complete. Students often think electricity 'leaks out' of an open circuit or flows through anything connected to a battery. Confusing series and parallel circuits is another common difficulty — particularly predicting what happens when one bulb in each type burns out. In Grade 3, students studied magnetism as a related force; by Grade 5, they will explore how electrical energy transforms into other energy forms in more complex systems.

Our electricity and circuits worksheets give fourth graders structured practice correcting circuit misconceptions, matching components to their functions, comparing series and parallel circuits, identifying conductors and insulators, and reasoning about circuit safety and design.

Worksheet Preview

Browse all 12 printable worksheets below — click any card to open the full page.

Easy

Part A: Fix the Sentence

Each sentence has an error. Rewrite it correctly on the line.

Part B: Fill in the Blank

Write the missing word or number on each line.

1. A material that allows electricity to flow through it is called a

2. A material that blocks the flow of electricity is called an

3. A complete path that electricity follows is called a

4. A

Part C: Short Answer

Answer each question in one or two complete sentences.

Electricity and Circuits

Easy

Part A: Fix the Sentence

Each sentence has an error. Rewrite it correctly on the line.

Part B: Fill in the Blank

Write the missing word or number on each line.

1. A

2. Copper is used in wires because it is an excellent

3. Plastic coating on wires is an

4. The flow of electricity through a wire is called electric

Part C: Short Answer

Answer each question in one or two complete sentences.

Electricity and Circuits

Easy

Part A: Fix the Sentence

Each sentence has an error. Rewrite it correctly on the line.

Part B: Fill in the Blank

Write the missing word or number on each line.

1. When you shuffle your feet on carpet and then touch a doorknob, you feel a shock from

2. Every circuit needs an energy source, wires, and a

3. Objects with the same electrical charge

4. A

Part C: Short Answer

Answer each question in one or two complete sentences.

Electricity and Circuits

Easy

Part A: Fix the Sentence

Each sentence has an error. Rewrite it correctly on the line.

Part B: Fill in the Blank

Write the missing word or number on each line.

1. The two ends of a battery are marked with a plus sign and a

2. A

3. Objects with opposite electrical charges

4. A doorbell uses electricity to make

Part C: Short Answer

Answer each question in one or two complete sentences.

Electricity and Circuits

Medium

Part A: Fill in the Blank

Write the missing word or number on each line.

1. In a series circuit, electricity follows

2. In a parallel circuit, electricity has

3. If one bulb burns out in a series circuit,

4. If one bulb burns out in a parallel circuit, the other bulbs stay

5. The lights in most homes are wired in

6. A string of old holiday lights that all go out when one breaks is a

7. Adding more bulbs to a series circuit makes each bulb shine

8. The unit used to measure electric current is the

9. A device that opens a circuit when too much current flows is called a

Part B: Matching

Match each item on the left to the correct answer on the right.

1. Match each item to its correct answer.

battery

→

blocks the flow of electricity

switch

→

provides energy to push current

conductor

→

allows electricity to pass through

insulator

→

opens and closes a circuit

Electricity and Circuits

Medium

Part A: Fill in the Blank

Write the missing word or number on each line.

1. A circuit

2. Static electricity builds up when objects gain or lose

3. Lightning is a natural form of

4. The positive and negative ends of a battery are called

5. Volts measure the amount of electrical

6. A complete circuit must include a source of energy, a

7. Thick wires carry more current than

8. Rubbing a balloon on your hair creates

9. Never fly a kite near power

Part B: Matching

Match each item on the left to the correct answer on the right.

1. Match each item to its correct answer.

series circuit

→

reusable switch that stops excess current

parallel circuit

→

one path for electricity to flow

fuse

→

multiple paths for electricity to flow

circuit breaker

→

thin wire that melts to break a circuit

Electricity and Circuits

Medium

Part A: Fill in the Blank

Write the missing word or number on each line.

1. Rubbing two objects together can transfer

2. A television converts electrical energy into light and

3. A material that slows or stops the flow of electricity is called an

4. When a negatively charged balloon is brought near small pieces of paper, the paper is

5. A motor converts electrical energy into

6. The rapid movement of electrons through a conductor is called electric

7. Two balloons that are both negatively charged will

8. An electric

9. The part of a circuit that uses electricity to do work is called the

Part B: Matching

Match each item on the left to the correct answer on the right.

1. Match each item to its correct answer.

copper wire

→

sudden discharge of built-up charge

rubber gloves

→

converts electrical energy to light

light bulb

→

carries electricity through a circuit

static shock

→

protects hands from electric current

Electricity and Circuits

Medium

Part A: Fill in the Blank

Write the missing word or number on each line.

1. Connecting two batteries end to end in a series increases the total

2. A longer wire has more

3. The symbol for a battery in a circuit diagram shows a long line for positive and a

4. A dimmer switch works by changing the amount of

5. Silver is the best conductor of electricity, but

6. A rechargeable battery can reverse its

7. In a circuit diagram, a straight line represents a

8. Electrical

9. A

Part B: Matching

Match each item on the left to the correct answer on the right.

1. Match each item to its correct answer.

voltage

→

drawing that uses symbols to show a circuit

current

→

the flow of electrons through a conductor

resistance

→

the push that moves electricity through a circuit

circuit diagram

→

a force that opposes the flow of current

Electricity and Circuits

Hard

Part A: Multiple Choice

Circle the best answer for each question.

1. Which statement about parallel circuits is true?

2. A student builds a circuit with a battery, wires, and a bulb, but the bulb does not light. What is the most likely problem?

3. Which material would make the best wire for a circuit?

4. Why do the lights in your house stay on when one light bulb burns out?

Part B: Fill in the Blank

Write the correct answer on each line.

1. Electricity always follows the path of least

2. A short circuit happens when electricity takes an unintended

3. In a series circuit with three bulbs, removing one bulb creates an

4. Metals are good conductors because their outer

5. The brightness of a bulb in a circuit depends on the amount of

Electricity and Circuits

Hard

Part A: Multiple Choice

Circle the best answer for each question.

1. A toaster converts electrical energy mainly into which form of energy?

2. Which safety device in a home is designed to prevent electrical fires?

3. Two identical bulbs are connected in series to one battery. A third identical bulb is connected in parallel to the same battery by itself. Which bulb is brightest?

4. What happens to the overall resistance when you add more bulbs in series?

Part B: Fill in the Blank

Write the correct answer on each line.

1. A light bulb converts electrical energy into light and

2. The push that moves electrons through a circuit is called

3. Resistance is measured in units called

4. A generator converts mechanical energy into

5. Power lines carry electricity at very high

Electricity and Circuits

Hard

Part A: Multiple Choice

Circle the best answer for each question.

1. You rub a balloon on a wool sweater. The balloon gains extra electrons. What charge does the balloon now have?

2. Which action would be the MOST dangerous around electricity?

3. A student connects a battery, a switch, and two bulbs in series. She opens the switch. What happens?

4. Lightning rods are placed on tall buildings. Why are they made of metal?

Part B: Fill in the Blank

Write the correct answer on each line.

1. A material through which electricity cannot flow easily is called an

2. Static electricity is caused by an imbalance of positive and

3. A grounding wire carries excess electricity safely into the

4. When you walk across carpet in socks, your body builds up a

5. The three-prong plug on some appliances includes a

Electricity and Circuits

Hard

Part A: Multiple Choice

Circle the best answer for each question.

1. A student tests four materials to see which completes a circuit and lights a bulb. Which material will most likely work?

2. Three bulbs are connected in parallel to a battery. One bulb is unscrewed. What happens to the other two?

3. Why does a thick copper wire have less resistance than a thin copper wire of the same length?

4. A circuit has a battery and a buzzer, but the buzzer does not make a sound. Which change would most likely fix the problem?

Part B: Fill in the Blank

Write the correct answer on each line.

1. When two batteries are placed in series, the total voltage is the

2. An electric fan converts electrical energy into

3. In a circuit diagram, an X inside a circle is the symbol for a

4. Materials like glass, rubber, and

5. Adding more devices in a series circuit increases the total resistance and decreases the

Electricity and Circuits

What's Included in This Download

12 Printable Pages covering electricity and circuits

Complete Answer Key for easy grading

Printer-Friendly Format in black & white

Variety of Activities to keep kids engaged

Common Core Aligned grade 4 standards

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What You'll Learn

These electricity and circuits worksheets help grade 4 students develop essential science skills through engaging activities.

Learning Objectives

Circuits: Distinguish between open and closed circuits
Conductors: Identify materials that allow electricity to flow
Insulators: Identify materials that block electrical flow
Series vs. Parallel: Compare series and parallel circuits
Electrical Safety: Describe safe practices when using electricity

Skills Covered

ElectricityCircuitsConductorsInsulatorsSeries CircuitsParallel CircuitsGrade 4 Science

How to Use These Worksheets

Download & Print: Click the download button to get the PDF. Print on standard 8.5" x 11" paper.
Start Simple: Begin with easier pages before moving to more challenging activities.
Daily Practice: Dedicate 10-15 minutes each day for consistent learning.
Use Manipulatives: Pair worksheets with physical objects like blocks or counters.
Provide Encouragement: Celebrate progress and effort to build confidence.
Check Progress: Use the included answer key to review work together.

Common Mistakes to Watch For

Confusing open and closed circuits — students sometimes think an open circuit allows flow and a closed circuit blocks it, reversing the correct relationship. A closed circuit has no gap, completing the loop; an open circuit has a break that stops the flow.
Misidentifying conductors and insulators — students frequently list rubber and plastic as conductors or assume all metals conduct equally well. Conductors (copper, aluminum, steel) allow free electron flow; insulators (rubber, plastic, wood, glass) resist it.
Predicting parallel circuit behavior incorrectly — students often predict that removing one bulb from a parallel circuit will turn off all bulbs, applying the series circuit rule. In a parallel circuit, each branch has its own complete path, so removing one bulb leaves the others unaffected.

Frequently Asked Questions

What is the difference between a series circuit and a parallel circuit?

In a series circuit, all components are connected in a single loop — electricity has only one path to follow. If any component fails or is removed, the entire circuit breaks and all components stop working. In a parallel circuit, components are connected in separate branches — electricity has multiple paths. If one branch fails, electricity still flows through the other branches. Most home wiring uses parallel circuits for this reason.

What is a conductor and what is an insulator?

A conductor is a material that allows electricity to flow through it easily because its electrons move freely. Metals like copper, silver, and aluminum are excellent conductors — copper is used in most wiring because it conducts well and is affordable. An insulator blocks the flow of electricity because its electrons are tightly held. Rubber, plastic, glass, and wood are common insulators. Wires are coated in plastic or rubber insulation to prevent electric shock.

How does a battery power a circuit?

A battery stores chemical energy and converts it into electrical energy. It has two terminals — a positive end and a negative end. When a circuit is closed, the battery creates a voltage difference that pushes electrons through the circuit from the negative terminal, through the wires and components, and back to the positive terminal. The battery's stored energy gradually depletes as it drives this continuous flow of electrons.

What is a short circuit and why is it dangerous?

A short circuit happens when electricity finds an unintended, very low-resistance path — bypassing the intended components. Because resistance is so low, an enormous amount of current flows through the shortcut, generating intense heat. This can melt wires, start fires, or damage equipment. Fuses and circuit breakers protect against short circuits by automatically cutting the current when it exceeds a safe level.

What is static electricity?

Static electricity is a buildup of electric charge on the surface of an object, usually caused by friction between two materials. When certain materials rub together — like a balloon against hair — electrons transfer from one surface to the other, leaving one object positively charged and one negatively charged. When a charged object comes near a conductor or another charged object, electrons may jump suddenly, creating a spark. Lightning is a large-scale static discharge.

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Can I use these in my classroom?

Absolutely! Teachers are welcome to print and use these worksheets in their classrooms. Make as many copies as needed for your students.

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Electricity and Circuits Worksheets for Grade 4

Worksheet Preview

What's Included in This Download

What You'll Learn

Learning Objectives

Skills Covered

How to Use These Worksheets

Common Mistakes to Watch For

Frequently Asked Questions

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Worksheet Preview

What's Included in This Download

What You'll Learn

Learning Objectives

Skills Covered

How to Use These Worksheets

Common Mistakes to Watch For

Frequently Asked Questions

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