PBS Unit 1--1.1 Investigating The Scene Question Preview (ID: 26919)
Aligned To PLTW 1.1.
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What personal protective equipment should you wear when working with chemicals?
a) Goggles
b) Goggles and gloves
c) Goggles, gloves, and apron
d) You don't have to wear any of these.
Which of these is NOT an example of forensic science?
a) Running a genetic test to check for Huntington's disease
b) Testing vitreous humor extracted from an eyeball for drugs
c) Testing blood from a crime scene to determine type
d) Analyzing sperm for a rape case
If you are given a blood spatter graph, how will you use it to determine the approximate height?
a) Plug the blood spatter diameter into y and solve for x; estimate by using a ruler at the point given
b) Plug the blood spatter diameter into x and solve for y; estimate by using a ruler at the points given
c) You cannot determine it from a blood spatter graph.
d) Measure the height of the person and line it up to the point given.
What evidence would you collect at a crime scene?
a) Fingerprints
b) Blood for DNA
c) Hair
d) All of the above
How would you use evidence to identify or exonerate a suspect?
a) If the evidence from the scene matches, then you have identified a suspect.
b) If the evidence from the scene matches, then you have NOT identified a suspect.
c) Evidence from a scene cannot identify or exonerate a suspect.
d) If the evidence from the scene does not match, then you have identified a suspect.
Which of the following would be the BEST problem statement or question for an investigation?
a) Who is more prone to eating ice cream?
b) What makes females more prone to eating ice cream than males?
c) Based on a survey, which gender is more prone to eating ice cream?
d) Why are people prone to eating ice cream?
Which of the following is the BEST hypothesis for an investigation?
a) If a particular gender has more likes on the survey for eating ice cream, then that gender is more prone to eating ice cream.
b) I think that females are more prone to eating ice cream.
c) I think that males are more prone to eating ice cream.
d) I don't know.
What is the independent variable in a study of which gender is more prone to eating ice cream?
a) Gender
b) Ice cream
c) External temperature
d) Internal temperature
What is the dependent variable in a study of which gender is more prone to eating ice cream?
a) Gender
b) Ice cream
c) External temberature
d) Internal temperature
What would be the BEST, appropriate conclusion if 90% of females eat ice cream weekly and 85% of males eat ice cream every two weeks?
a) The data shows that females are more prone to eating ice cream.
b) The data shows that males are more prone to eating ice cream.
c) As more females (90%) ate ice cream on a weekly (instead of males' every two weeks) basis, females are more prone.
d) None of the above
Which of the following would make the best set up to investigate if purple candies make kids more hyper than the other colors?
a) Give one group no candies (control) and one group purple candies (experimental)
b) Give one group candies with no color (control) and one group purple candies (experimental)
c) Give one group soda instead of candy (control) and one group purple candies (experimental)
d) None of the above
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