Cause and Effect — Answer Key
Part A: Fix the Sentence
Each sentence has an error. Rewrite it correctly on the line.
1. Fix the sentence:
The sidewalk was wet because the kids went inside.
Corrected: The kids went inside because the sidewalk was wet.
The corrected sentence is: "The kids went inside because the sidewalk was wet.". The original sentence "The sidewalk was wet because the kids went inside." contained an error that needed to be fixed.
2. Fix the sentence:
The dog barked so a stranger walked up to the door.
Corrected: A stranger walked up to the door so the dog barked.
The corrected sentence is: "A stranger walked up to the door so the dog barked.". The original sentence "The dog barked so a stranger walked up to the door." contained an error that needed to be fixed.
3. Fix the sentence:
She wore a coat since the weather was warm outside.
Corrected: She wore a coat since the weather was cold outside.
The corrected sentence is: "She wore a coat since the weather was cold outside.". The original sentence "She wore a coat since the weather was warm outside." contained an error that needed to be fixed.
Part B: Fill in the Blank
Write the missing word or number on each line.
1. The flowers grew tall because they got plenty of sunlight.
The word 'because' connects the effect (flowers grew tall) to its cause (plenty of sunlight).
2. It started to rain, so we opened our umbrellas.
The word 'so' signals the effect (opened umbrellas) that followed the cause (it started to rain).
3. Since the alarm clock rang, the boy woke up on time.
The word 'Since' introduces the cause (alarm clock rang) that led to the effect (woke up on time).
4. The ice cream melted because it was left in the sun.
The word 'because' links the effect (ice cream melted) to the cause (left in the sun).
Part C: True or False?
Read each statement. Circle True or False.
1. A cause is the reason something happens.
True False
A cause is the reason something happens. The effect is what happens as a result.
2. An effect always comes before the cause in a sentence.
True False
An effect does not always come before the cause. The order can vary depending on how the sentence is written.
3. The word because is a signal word for cause and effect.
True False
The word 'because' is one of the most common signal words used to show a cause-and-effect relationship.