Sentence or Fragment?
Use a conjunction
Simple Subject
Simple Predicate
Run-On Sentence?
100
Many people visit parks.
Yes, a complete sentence
100

and

example: I went to the park and played on the swings.

100
My older brother plays football for his high school.
brother
100
We hear the noise of thunder from miles away.
hear
100

The automobile museum is closed but we can come back another day.

Not a run-on sentence.

200
The high mountains.
No, not a complete sentence.
200

but

example: I want to play outside, but it is raining.

200
Many stray cats find homes in parking lots.
cats
200
Meteors travel through space at very high speeds.
travel
200
The museum was pretty cool my friend liked the exhibit very much.
Yes, a run-on sentence
300
We slept in a tent.
Yes, a complete sentence.
300

or

example: Do you want a hot dog or a hamburger for dinner?

300
The players on his team practice every other day after school.
players
300
A meteor leaves behind a trail of hot gas.
leaves
300

The whale looked huge Sara was amazed at it's size and length.

Yes, a run-on sentence

400
Bears will visit the campsite if they smell food.
Yes, a complete sentence.
400

because

example: My team won the game because we had the most points.

400
That game was fun to watch!
game
400
Sometimes the meteor explodes into tiny pieces.
explodes
400

My dog needed to go for a walk, so my mom asked if I could take him.

No, not a run-on sentence.

500
Played by the riverbed.
No, not a complete sentence.
500

so

example: I have to do my homework, so I can play outside later. 

500
They make some very difficult shots to win the game.
they
500
A meteor is a bright streak of light in the sky.
streak
500

The museum had old airplanes they looked small.

Yes, a run-on sentence.

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