Show:
Correct or Wrong
Fix It Yourself
Mystery
100

I like apples, I eat them all the time.

Wrong. I like apples. I eat them all the time. 

OR 

I like apples, so I eat them all the time.

OR

I like apples; I eat them all the time.

100

My dog loves to eat, he steals my snacks all the time.

My dog loves to eat. He steals my snacks all the time. My dog loves to eat; he steals my snacks all the time. My dog loves to eat, so he steals my snacks all the time.  

100

What is a run-on sentence?

A run-on sentence is two parts smooshed together instead of being properly connected by either punctuation (period or semi-colon) or a comma and FANBOYS conjunction.

200

The sun is high, put on some sunblock.

Wrong. The sun is high, so put on some sunblock. OR Because the sun is high, put on some sunblock. (or the other two ways)

200

My sister can be very annoying, she always steals my things.

My sister can be very annoying, for she always steals my things.

My sister can be very annoying; she always steals my things.

My sister can be very annoying. She always steals my things.

200

What is a comma splice?

Two independent clauses (complete sentences) joined only by a comma.

300
This next chapter has a lot of difficult information in it, so you should start studying right away.
Correct. (There is a ,FANBOYS)
300

By 7:30, it was too late the show had already begun.

By 7:30, it was too late. The show had already begun. By 7:30, it was too late; the show had already begun. By 7:30, it was too late, for the show had already begun. 

300

Correct this run-on sentence: After Ms. Lucas went to the doctor, she went to the pharmacy to get her medicine she found a snack she wanted.

After Ms. Lucas went to the doctor, she went to the pharmacy to get her medicine, and she found a snack she wanted.  

400
This is not such an nice playground, still, the kids love it.
Wrong. This is not such an nice playground. Still, the kids love it. (or any of the other three ways)
400
The boy showed us his tickets someone gave them to him.
The boy showed us his tickets. Someone gave them to him. The boy showed us his tickets; someone gave them to him. The boy showed us his tickets, for someone gave them to him.
400

Run-on or not?: Suzy wanted to dress like a doctor for career day because she loved science she didn't have any appropriate clothes.

Run-on. Independent clause 1: Suzy wanted to dress like a doctor for career day because she loved science. Independent clause 2: She didn't have any appropriate clothes.

500
Mr. Johnson has sent his four children to ivy-league colleges, however, he has sacrificed his health working day and night in that dusty bakery.
Wrong. Mr. Johnson has sent his four children to ivy-league colleges; however, he has sacrificed his health working day and night in that dusty bakery. (or with a .)
500

People already believed the precious metals to be divine so their use in money intensified its allure.

People already believed the precious metals to be divine, so their use in money intensified its allure.

500

CORRECT OR WRONG: Knowing that millions of people around the world would be watching, the renowned Olympic track-and-field star Carl Lewis, who had known pressure from fans and media before, made only a few appearances in races during the few months before the Summer Olympics in Atlanta, Georgia.

Correct. It just has a long introductory phrase and an interrupting phrase in the middle of the sentence.