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Grade 3 Reading Comprehension
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Cause & Effect
Cause & Effect Printables
Cause & Effect 35 free to print or download.
35 printables
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Cause & Effect
Name
Score
Draw a line from each cause to what happened (the effect).
Cause
Effect
The pressure grew too great,
so water rose to form clouds.
The sun warmed the sea,
so a new plant grew.
The lava cooled,
so the volcano erupted.
A seed landed in good soil,
so it hardened into new rock.
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Reading Worksheet
Cause & Effect: Nature
Ages 8–11
♡
Cause & Effect
Name
Score
Draw a line from each cause to what happened (the effect).
Cause
Effect
The power failed,
so they lowered the sail.
The ladder was old,
so Mara lit a lantern.
A storm blew in,
so she helped Theo.
Rosa remembered feeling lonely,
so they climbed carefully.
📖
Reading Worksheet
Cause & Effect: Stories
Ages 8–11
♡
Cause & Effect
Name
Score
Draw a line from each cause to what happened (the effect).
Cause
Effect
A hunter came near,
so the octopus shot ink.
The desert was hot,
so they caught large prey.
It was freezing,
so the penguins huddled together.
The pack worked as a team,
so the animals hunted at night.
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Reading Worksheet
Cause & Effect: Animals
Ages 8–11
♡
Cause & Effect: The Light That Would Not Go Out
Name
Score
Read, then explain why each thing happened.
The Light That Would Not Go Out
Old Mara had kept the lighthouse on the rocky point for thirty years.
Every evening she climbed the spiral stairs to light the great lamp.
Its beam warned ships away from the hidden rocks below.
One wild, stormy night the power failed and the lamp went dark.
Far out at sea, a fishing boat was heading straight for the rocks.
Mara grabbed her old oil lantern and held it high in the tower window.
The captain saw the tiny light just in time and steered to safety.
1) Why did Mara hold the lantern in the window?
2) How did Mara most likely feel when the boat turned?
📖
Reading Worksheet
Cause & Effect: The Light That Would Not Go Out
Ages 8–11
♡
Cause & Effect: The Map in the Treehouse
Name
Score
Read, then explain why each thing happened.
The Map in the Treehouse
Deep in the woods, Priya and Jack found an old treehouse leaning in an oak.
The wooden ladder creaked, so they climbed up very carefully.
Inside, under a layer of dust, sat a small tin box.
The box held a faded map with a red X near a bend in the creek.
Their hearts pounded as they followed the winding trail it showed.
At the X they dug with sticks and uncovered a jar of old coins.
They agreed to give the coins to the town museum for everyone to see.
1) Why did they climb carefully?
2) What can you tell about Priya and Jack from the ending?
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Reading Worksheet
Cause & Effect: The Map in the Treehouse
Ages 8–11
♡
Cause & Effect: The New Kid at Recess
Name
Score
Read, then explain why each thing happened.
The New Kid at Recess
On Monday a boy named Theo joined Room 12.
At recess he stood alone by the fence, watching the others play.
Rosa noticed him from across the yard.
She remembered how lonely her own first day had felt.
Rosa walked over and asked Theo if he wanted to join the four-square game.
A slow smile spread across his face as he stepped up to play.
By Friday, Theo and Rosa were laughing like old friends.
1) Why did Rosa help Theo?
2) Why did Theo smile?
📖
Reading Worksheet
Cause & Effect: The New Kid at Recess
Ages 8–11
♡
Cause & Effect: The Sailboat and the Storm
Name
Score
Read, then explain why each thing happened.
The Sailboat and the Storm
Sam and his grandfather sailed their small boat out onto the calm bay.
The sky was blue and the water sparkled like glass.
But by noon, dark clouds boiled up over the hills.
The wind rose and cold rain began to sting their faces.
Grandfather stayed calm and told Sam exactly what to do.
Together they lowered the sail and steered for the nearest cove.
Safe on shore, Sam realized he had learned to keep his head in trouble.
1) Why did Grandfather stay calm?
2) What did Sam learn?
📖
Reading Worksheet
Cause & Effect: The Sailboat and the Storm
Ages 8–11
♡
Cause & Effect: The Case of the Missing Medal
Name
Score
Read, then explain why each thing happened.
The Case of the Missing Medal
The gold medal that hung in the trophy case had vanished overnight.
Detective Nadia studied the empty shelf and the dusty glass.
She noticed a single muddy footprint pointing toward the gym.
A trail of tiny paper stars led down the hall.
The stars ended at the art room, where the fifth grade made decorations.
There, on a table, sat the medal — pinned to a poster by mistake.
A student had borrowed it to trace its shape and simply forgotten to return it.
1) How did Nadia know where to look?
2) Was the medal stolen on purpose?
📖
Reading Worksheet
Cause & Effect: The Case of the Missing Medal
Ages 8–11
♡
Cause & Effect: The Dragon Who Was Afraid of Fire
Name
Score
Read, then explain why each thing happened.
The Dragon Who Was Afraid of Fire
High on Cinder Mountain lived a young dragon named Ember.
Every dragon was supposed to breathe great blasts of fire.
But whenever Ember tried, she squeezed her eyes shut and only coughed smoke.
The other dragons laughed, and Ember hid away in a cold, dark cave.
One winter a village below the mountain was freezing without wood for fires.
Ember crept down, took a deep breath, and thought only of the shivering children.
A warm golden flame poured out, and from that day she was never afraid again.
1) Why could Ember finally breathe fire?
2) How did Ember change by the end?
📖
Reading Worksheet
Cause & Effect: The Dragon Who Was Afraid of Fire
Ages 8–11
♡
Cause & Effect: The Clever Octopus
Name
Score
Read, then explain why each thing happened.
The Clever Octopus
The octopus is one of the smartest animals in the ocean.
It has eight strong arms lined with round suckers.
Each sucker can grip, hold, and even taste.
When a hunter comes near, the octopus can change colour to match the rocks.
If that does not work, it shoots a cloud of dark ink and jets away.
An octopus can also squeeze its soft body through a gap the size of a coin.
Scientists have watched octopuses open jars and solve simple puzzles.
1) Why can an octopus fit through a tiny gap?
2) Why do scientists call the octopus clever?
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Reading Worksheet
Cause & Effect: The Clever Octopus
Ages 8–11
♡
Cause & Effect: Mountains of Fire
Name
Score
Read, then explain why each thing happened.
Mountains of Fire
Deep under the ground, it is so hot that rock melts into a thick liquid.
This melted rock is called magma.
Magma is lighter than the solid rock around it, so it slowly rises.
It collects inside a mountain with an opening at the top — a volcano.
When the pressure grows too great, the volcano erupts.
Magma that reaches the surface is called lava.
As the lava cools, it hardens into brand-new rock.
1) Why does magma rise?
2) Why does a volcano erupt?
📖
Reading Worksheet
Cause & Effect: Mountains of Fire
Ages 8–11
♡
Cause & Effect: The Wolf Pack
Name
Score
Read, then explain why each thing happened.
The Wolf Pack
Wolves live and hunt together in a family group called a pack.
A pack usually has about six to ten wolves.
The leaders are a male and a female that make the big decisions.
Wolves work as a team to hunt animals much larger than themselves.
They talk to each other by howling, which can be heard for miles.
Pups are cared for by the whole pack, not just their parents.
By working together, wolves can survive the long, cold winter.
1) Why do wolves hunt in a group?
2) Why is teamwork important to wolves?
📖
Reading Worksheet
Cause & Effect: The Wolf Pack
Ages 8–11
♡
Cause & Effect: Our Neighbour the Moon
Name
Score
Read, then explain why each thing happened.
Our Neighbour the Moon
The Moon is Earth’s closest neighbour in space.
It travels all the way around Earth about once a month.
The Moon does not make any light of its own.
It shines because it reflects light from the Sun.
As it orbits, we see different amounts of the lit side.
These changing shapes are called the phases of the Moon.
Long ago, astronauts walked on the Moon and brought back rocks to study.
1) Why do we see phases?
2) Why did astronauts bring back rocks?
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Reading Worksheet
Cause & Effect: Our Neighbour the Moon
Ages 8–11
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Cause & Effect: Give It a Second Life
Name
Score
Read, then explain why each thing happened.
Give It a Second Life
Every day, people throw away tons of paper, glass, metal, and plastic.
Much of this could be used again instead of buried in the ground.
Recycling turns old materials into brand-new products.
First, we sort our recycling and set it out.
Trucks carry it to a centre where machines clean and crush it.
Factories then melt or shred it to make new bottles, cans, and paper.
Recycling saves energy and keeps our planet cleaner.
1) Why sort the recycling first?
2) Why does recycling help the planet?
📖
Reading Worksheet
Cause & Effect: Give It a Second Life
Ages 8–11
♡
Cause & Effect: Life in the Desert
Name
Score
Read, then explain why each thing happened.
Life in the Desert
A desert is a land that gets very little rain all year.
Days can be burning hot while nights turn surprisingly cold.
Plants and animals here have special ways to save water.
A cactus stores water inside its thick, waxy stem.
A camel can travel for days without a drink.
Many desert animals rest in the shade by day and hunt at night.
Even in this dry land, life finds a way to survive.
1) Why do animals hunt at night?
2) Why does a cactus have a thick stem?
📖
Reading Worksheet
Cause & Effect: Life in the Desert
Ages 8–11
♡
Cause & Effect: The Girl Who Loved to Tinker
Name
Score
Read, then explain why each thing happened.
The Girl Who Loved to Tinker
As a child, Mae took apart every broken clock and radio she could find.
Her family did not have much money for new toys.
So Mae built her own from spare parts and scraps of wood.
Teachers said girls did not become engineers, but Mae did not listen.
She studied hard and went to a college far from home.
Years later, Mae designed machines that help doctors see inside the body.
She always told students that a good idea can come from anyone.
1) Why did Mae keep going after teachers doubted her?
2) What kind of person is Mae?
📖
Reading Worksheet
Cause & Effect: The Girl Who Loved to Tinker
Ages 8–11
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More grade 3 reading comprehension
Reading Comprehension
Fiction
Nonfiction
Main Idea & Details
Inference & Conclusions
Text Evidence
Sequencing
Context Clues & Vocabulary
Compare & Contrast
Summarizing