Every day, things happen for a reason. A cause is the reason something happens. An effect is what happens because of that cause. For example, if you forget your umbrella and it rains, the cause is forgetting the umbrella, and the effect is getting wet. Writers use special signal words to show cause and effect, like because, so, since, if-then, as a result, and therefore. When you read stories, science books, or social studies, finding causes and effects helps you understand why people act, why plants grow, and why events matter. Good readers ask two questions: What happened? and Why did it happen? In Grade 2, you will practice spotting causes, finding effects, and using signal words in short sentences and small passages. In Grade 3, you will use these same skills with longer texts and tricky signal clues. Cause-and-effect thinking also helps with writing, science experiments, and solving problems at home and school.
Worksheet Preview
Browse all 12 printable worksheets below — click any card to open the full page.
Easy 
Cause & Effect
Part A: Sort the Words
Sort each word or number into the correct category box.
Part B: Fill in the Blank
Write the missing word or number on each line.
1. The grass was wet because
2. Mia wore a sweater because
3. The dog barked because
4. Leo was tired because
5. The ice melted because
Part C: True or False?
Read each statement. Circle True or False.
1. In the sentence She smiled because she got a gift, the cause is getting a gift.
T F
2. In the sentence The floor was wet because juice spilled, the cause is the wet floor.
T F
3. A cause is the reason something happens.
T F
4. The word because always points to the effect.
T F
Cause & Effect
Easy
Cause & Effect
Part A: Sort the Words
Sort each word or number into the correct category box.
Part B: Fill in the Blank
Write the missing word or number on each line.
1. The puppy was hungry, so
2. It snowed all night, so
3. Ben ran very fast, so
4. The sun was bright, so Mia
5. The door was open, so the cat
Part C: True or False?
Read each statement. Circle True or False.
1. In the sentence It was hot, so Liam drank water, drinking water is the effect.
T F
2. In the sentence The bell rang, so students lined up, lining up is the cause.
T F
3. An effect is what happens as a result of a cause.
T F
4. The word so usually points to the cause.
T F
Cause & Effect
Easy
Cause & Effect
Part A: Sort the Words
Sort each word or number into the correct category box.
Part B: Fill in the Blank
Write the missing word or number on each line.
1. It rained all morning, so the garden
2. The sun melted the snowman because it was
3. Leaves fell from the tree because the wind
4. A rainbow appeared after the rain
5. The pond froze because the weather got very
Part C: True or False?
Read each statement. Circle True or False.
1. Snow on a hill can cause kids to go sledding.
T F
2. An umbrella causes the rain to start falling.
T F
3. Hot sunshine can cause ice cubes to melt.
T F
4. A strong wind has no effect on loose leaves.
T F
Cause & Effect
Easy
Cause & Effect
Part A: Sort the Words
Sort each word or number into the correct category box.
Part B: Fill in the Blank
Write the missing word or number on each line.
1. Jake shared his crayons, so his friend
2. Mia broke the rule, so she had a
3. Tom saved his coins, so he could buy a
4. Zoe helped at home, so her mom said
5. Leo ran in the hall, so he
Part C: True or False?
Read each statement. Circle True or False.
1. Sharing toys can cause kids to make new friends.
T F
2. Breaking a class rule has no effect at all.
T F
3. Saving money can cause you to buy something later.
T F
4. Forgetting homework has no effect on your day.
T F
Cause & Effect
Medium
Cause & Effect
Part A: Fill in the Blank
Write the missing word or number on each line.
1. The sidewalk was icy
2. Tara missed the bus,
3.
4. The bread was stale
5. My brother felt happy,
6.
7. The pond froze
8. I forgot my lunch,
9.
Part B: Matching
Match each item on the left to the correct answer on the right.
1. Match each item to its correct answer.
The seeds got water and sun
→
The plants grew tall
The phone was not charged
→
It would not turn on
The baby was very tired
→
She fell asleep quickly
The window was left open
→
Rain came into the room
Cause & Effect
Medium
Cause & Effect
Part A: Fill in the Blank
Write the missing word or number on each line.
1. If you touch a hot stove,
2. The team practiced every day. As a
3. If it snows tonight,
4. Leo ate too much candy. As a result,
5. If you water the plant,
6. The road was flooded.
7. If you mix yellow and blue paint,
8. Amy studied for the test. As a result,
9. If you drop a glass,
Part B: Matching
Match each item on the left to the correct answer on the right.
1. Match each item to its correct answer.
If it rains all day
→
The ground gets muddy
If you plant a seed and wait
→
A small plant may sprout
If you forget to feed a pet
→
It will feel hungry
If the alarm does not ring
→
You might wake up late
Cause & Effect
Medium
Cause & Effect
Part A: Fill in the Blank
Write the missing word or number on each line.
1. Nora forgot to water the plant; therefore, it
2. Max did not wear his helmet; that is why his mom
3. The hallway was wet; therefore, we had to walk
4. Ella studied her spelling every night; that is why she got a
5. Ken left his lunchbox open; therefore, ants
6. The bell rang; therefore, the class
7. Jada finished her chores early; that is why she had
8. Ian did not tie his shoes; therefore, he
9. Riya packed her backpack at night; that is why she was not
Part B: Matching
Match each item on the left to the correct answer on the right.
1. Match each item to its correct answer.
The sink was left on
→
therefore, water spilled on the floor
Owen did not look both ways
→
that is why the teacher asked for quiet
The library was very noisy
→
therefore, his mom stopped him at the curb
Sam packed his homework at night
→
that is why he turned it in on time
Cause & Effect
Medium
Cause & Effect
Part A: Fill in the Blank
Write the missing word or number on each line.
1. A storm knocked out the power, so the TV would not
2. The TV was off, so the family decided to read a
3. Reading led to a fun story, which made everyone feel
4. Sam forgot his umbrella, so his clothes got
5. His wet clothes made him feel cold, so he drank warm
6. The warm soup helped, so Sam felt
7. The alarm did not ring, so Nia woke up
8. Because she was late, Nia missed the school
9. Since she missed the bus, her dad had to
Part B: Matching
Match each item on the left to the correct answer on the right.
1. Match each item to its correct answer.
Heavy rain flooded the park
→
so the pages stuck together and tore
Ben spilled juice on his book
→
so the soccer game was moved to Saturday
The freezer door was left open
→
so tiny green plants grew up in a row
Mia planted seeds and watered them
→
so the ice cream melted into a sticky pool
Cause & Effect
Hard
Cause & Effect
Part A: Multiple Choice
Circle the best answer for each question.
1. Dark clouds rolled in and thunder rumbled. Coach blew the whistle and the soccer game was stopped. What was the cause of the game being stopped?
2. Mia did not set her alarm. In the morning, she woke up late and missed the bus. What was the effect of not setting the alarm?
3. Max the dog chewed a bone all afternoon. That night, Max slept for many hours. What was the cause of Max sleeping so long?
4. The teacher opened the window because the room felt stuffy. Soon, fresh air filled the classroom. What was the effect of opening the window?
Part B: Fill in the Blank
Write the correct answer on each line.
1. The street was slippery because
2. The fire alarm rang, so
3. Since the cat heard a noise,
4. The ice cream melted because
5. If the battery dies, then the toy
Cause & Effect
Hard
Cause & Effect
Part A: Multiple Choice
Circle the best answer for each question.
1. The sun warms the ocean. Tiny drops of water rise into the sky as vapor. Clouds form and rain falls back to earth. What causes clouds to form?
2. A plant needs sunlight, water, and air to grow strong. Without sunlight, the plant turns yellow and weak. What is the effect of no sunlight?
3. Good neighbors share tools, help with shoveling snow, and watch each other pets. As a result, their street feels safe and friendly. What causes the street to feel safe?
4. Bees fly from flower to flower. They carry pollen between plants. Because of the bees, many plants can grow seeds and fruit. What is an effect of bees moving pollen?
Part B: Fill in the Blank
Write the correct answer on each line.
1. Since the soil was dry, the farmer
2. Rivers flow downhill because
3. If people recycle paper, then fewer trees
4. The pond froze, so ducks
5. As a result of the new bike lane, more kids
Cause & Effect
Hard
Cause & Effect
Part A: Multiple Choice
Circle the best answer for each question.
1. Kira set her alarm for 6:30 but turned it off in her sleep. She woke up at 7:45 and saw the bus go by her window. What was the cause of Kira missing the bus?
2. Theo had a puppy that chewed his new shoe. He had left the shoe on the floor near the puppy bed. Why did the puppy chew the shoe?
3. Ada spilled paint on her drawing. She had bumped the cup with her elbow while reaching for a crayon. What caused the paint to spill?
4. Milo flew his kite higher and higher. A strong gust of wind had picked it up just as he started to run. Why did the kite fly so high?
Part B: Fill in the Blank
Write the correct answer on each line.
1. Ben tripped over his backpack because he left it in the
2. The cat knocked over the vase, so water spilled on the
3. Ivy laughed loudly at the joke, so her sister started to
4. The dog barked at the door, so Dad went to
5. Leo read his book under the blanket, so his mom brought him a
Cause & Effect
Hard
Cause & Effect
Part A: Multiple Choice
Circle the best answer for each question.
1. Bears eat a lot of food in the fall. When winter comes, food is hard to find, so bears sleep in their dens for many months. Why do bears eat so much in the fall?
2. Sunflowers turn to face the sun as it moves across the sky. The sunlight gives the plant energy to grow tall and make seeds. Why do sunflowers turn toward the sun?
3. Our town built a new crosswalk near the school. Since then, fewer cars speed down our street, and kids can cross safely. What caused the drop in speeding cars?
4. Bees visit flowers to drink nectar. As they drink, pollen sticks to their legs. When they fly to the next flower, the pollen drops off and helps new flowers grow. What causes new flowers to grow?
Part B: Fill in the Blank
Write the correct answer on each line.
1. Trees lose their leaves in fall because the days get shorter and
2. Frogs lay eggs in water, so baby tadpoles can swim and
3. Our town added bike lanes, so more people ride bikes to
4. Birds build nests in spring, so their eggs stay safe and
5. Heavy rain fills the river, so farmers get water for their
Cause & Effect
What's Included in This Download
12 Printable Pages covering cause & effect
Complete Answer Key for easy grading
Printer-Friendly Format in black & white
Variety of Activities to keep kids engaged
Common Core Aligned grade 2 standards
Instant PDF Download - no signup required
What You'll Learn
These cause & effect worksheets help grade 2 students develop essential english skills through engaging activities.
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
- Swapping cause and effect by picking what happened second as the cause instead of the reason that came first in the sentence.
- Ignoring signal words like because, so, since, or if-then and guessing instead of using the clue word the writer gave.
- Picking a related fact or detail from the sentence that is true but is not the real reason the event happened in the story.
Frequently Asked Questions
What is a cause?
A cause is the reason something happens. It is the first event that makes the next event occur. Ask, Why did it happen? The answer is the cause. Signal words like because and since often point to the cause.
What is an effect?
An effect is what happens as a result of the cause. It is the event that comes after. Ask, What happened? Words like so, therefore, and as a result often signal the effect in a sentence.
What signal words show cause and effect?
Common Grade 2 signal words include because, so, since, if-then, as a result, therefore, and that is why. These words link two ideas and tell the reader which part is the reason and which part is the result.
Can one cause have more than one effect?
Yes. One cause can lead to many effects. For example, heavy rain can cancel a picnic, flood a street, and water the garden. Readers should look for all the effects, not just the first one they notice.
How can my child practice?
Read short stories together and ask, Why did this happen? and What happened next? Point out signal words. Discuss real events, like why a plant died or why a friend felt happy, using because and so in full sentences.
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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.