Math: Expressions
Science: Constructing Conclusions
Teacher Info
100
Which of the following represents a coefficient from the expression given?
5x -20 + x2
Which of the following represents a coefficient from the expression given?
A. 5
B. x
C. 20
D. x2
What is A. 5?
100
Chris is researching the claim that people with longer legs can run faster than people with shorter legs. Which of the following is a reliable source of information for his research?
A. scientific journals
B. interviews with tall and short friends
C. newspaper editorials
D. all of these
What is A. scientific journals?
100
Which two 6th grade teachers have run marathons?
Sandy and Annarella
200
6 × (7 + 6)
Which of the following describes (7 + 6) in the expression above?
A. difference
B. quotient
C. sum
D. product
What is C. sum?
200
Ted hears an older classmate say that wind farms are harmful to local environments because the spinning turbine blades kill most of the birds living in the ecosystem.
Which of the following information resources is likely to help Ted figure out if his classmate's statement is accurate?
A. a natural gas company's Web site
B. an online encyclopedia
C. a wind company's Web site
D. a news reporter's personal blog
What is B. an online encyclopedia ?
200
Which two 6th grade teachers coach basketball?
Who is Durkin and Sandy?
300
Choose the expressions that include a quotient.
1)
2)
3)
4)
5)
What is 1, 3, and 4?
300
Select each correct answer. More than one answer may be correct.
Virtually all published scientific studies are peer-reviewed. During the process of peer review, scientists in the same field of study review everything that was done during the experiment. They investigate the experimental conditions, as well as the data collection and analysis methods. The scientists also have a chance to voice any concerns about the experimental methods and results.
Which of these are goals of peer review in science?
1) to identify any bias that might have contaminated the results
2) to encourage subjective interpretation during data analysis
3) to discourage innovation during experimental design
4) to identify any errors that were made during data collection
What is 1 and 4?
300
Which teacher loves Crocs and they are her favorite shoes?
Who is Miss Henderson?
400
Which of the following represents a quotient from the expression given?
)
A. 5
B. 18
C. 
D. 13x2
What is C.
400
A new diet pill is advertised on television. The ad claims that a study of 100 people proved that participants who took the pill and exercised three times a week lost 50% more weight than individuals who did not.
What is a problem with this study?
A. The people who took the pill also exercised three times a week.
B. Too many participants were used in the study.
C. Participants only lost 50% more weight.
D. Both groups should have taken the pill.
What is A. The people who took the pill also exercised three times a week?
400
Which teacher has never been out of the United States?
Who is Mr. Paxton?
500
Which of the following represents a constant from the expression given?
20x2 + 5x + 8
A. 28
B. 8
C. 20
D. 5
What is B. 8 ?
500
Most experiments are performed to answer scientific questions. In addition to data that result from the experiment, which of the following sources of information could be used to help answer a scientific question?
A. articles published in scientific journals
B. data from other experiments
C. scientific reports published online
D. all of these
What is D. all of these ?
500
Which teacher said their favorite baseball park was Fenway in Boston?
Who is Mrs. Standohar?