PBS Quiz 1.1

A hair is found at the scene of a crime, but it's in the woods behind a house. Many animals, from deer to dogs to cats, use this area. The hair is on the right. Which animal is it most likely from?

• Human

• Deer

• Cat

• Dog

When being chased across a lake, bank robbers toss the bags of money overboard. The police were able to see approximately where the bags were thrown. What method would be best to find the missing money? FYI: It's not finders keepers you need to give the money back unless you share with your teacher.

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Tags

NGSS.HS-ETS1-1

Which of the following is measured during polygraph testing to determine deception? (Select all that apply - could be more than one selection):

• 1. Facial expressions

• 1. Heart rate

• 1. Breathing rate

• 1. Eye contact

• 1. Sweating

Which type of fingerprint pattern is seen here (one word, spelling counts)

What is the cell in our blood that provides the major defense for our bodies against invading bacteria and viruses and is the only blood cell that contains DNA. (Select all that apply - could be more than one answer)

• Erythrocyte

• Leukocyte

• Thrombocyte

• Plasma

• Red blood cell

Tags

NGSS.MS-LS1-3

Which of the following statements is true regarding the ABO blood system?

• People who have the A antigen normally would not produce the anti-A antibody

• People who are type AB normally produce both anti-A and anti-B antibodies

• The only ABO blood type that normally does not have either A or B antigens is AB

• People who have the B antigen normally would not produce the anti-A antibody

If the diameter of a blood droplet is 1.0 cm, approximately from what height did it fall?

• 60 cm

• 25 cm

• 100 cm

• 140 cm

Tags

NGSS.MS-PS3-1

A cell phone's location data was used to show that a suspect had contact with a victim when the suspect claimed otherwise. What term best describes this evidence?

• Digital

• Trace

• Circumstantial

• Residual

A clump of solid gray substance is found at a crime scene. The detective believes it might be rubber, possibly even the same rubber from the suspect's shoe. What will happen first?

• A presumptive test, to determine if it's the same rubber as the shoe.

• A presumptive test, to see if it's actually rubber

• A confirmatory test, to show that it's actually rubber.

• A confirmatory test, to show that it is the rubber from the suspect's shoe.

Why are polygraphs not used as evidence in trials?

• If a person is stressed, it can give bad results

• People can practice and learn to trick the test

• Both of these are valid reasons

• None of the above are valid reasons