1. Monique agrees that eating lunch before the race might have been a variable that affected Gregory’s performance. What else does Gregory think was a variable in the race?

1. The other boy got a head start.
2. It was raining that day.
3. The other student had new sneakers.
4. The teachers liked the other student better than Gregory.

2. Why does Gregory want to do more than one trial for the running contest?

1. He thinks he could win if he had a second chance.
2. He always runs badly his first time.
3. He ran in a different contest that allowed him more than one trial.
4. He wants to run against people who are slower than him.

3. Why does Angelina finally agree with Gregory that the contest didn’t determine the best runner in the school?

1. She knows he is a good runner.
2. She is a friend of Gregory’s and wants him to be happy.
3. She agrees that controlling other variables will make the contest better.
4. Monique says that Gregory is right.