Science PAT 2010 Part 3 Evidence Investigation

27. Which of the following rows identifies the manipulated variable and the responding variable in this experiment?

• A. Type of marker tested  - Separation of the ink
• B. Type of marker tested - Volume of water used
• C. Length of line placed on paper  - Separation of the ink
• D. Length of line placed on paper - Volume of water used

28. Which of the following rows identifies the fingerprint patterns on Andrea’s left and right index fingers? 

• A. left - Whorl, right -  Arch
• B. left - Whorl, right -  Loop
• C. left - Arch, right -  Whorl
• D. left - Arch, right -  Loop

29. An inference that can be made about the crime scene shown above is that the suspect most likely entered through the

• A. fire door and exited through the window
• B. window and exited through the fire door
• C. fire door and exited from the hallway
• D. window and exited from the hallway

30. A piece of fabric that was found at the crime scene was most likely found beside the

• desk
• window 
• fire door
• showcase

31. Which suspect’s fabric sample most closely resembles the fabric found at the crime scene?

• suspect W
• suspect X
• suspect Y
• suspect Z

32. Which of the following lists identifies the characteristics that Jackson should use to compare handwriting samples from students in his class to the sample he found on his locker door?

• A. Characteristics 1, 2, and 4
• B. Characteristics 2, 4, and 5
• C. Characteristics 1, 3, and 4
• D. Characteristics 2, 3, and 5

33. For which of the tracks above would it be most difficult to determine the direction of travel?

• dog
• moose
• human
• snowmobile

34. Which of the following statements is an observation that can be made from the diagram?

• A. The rear door of the cabin is open
• B. The window was broken with a rock. 
• C. The off-road vehicle tracks were made by the same vehicle.
• D. The robber could not hook up the horse trailer to the vehicle.

35. To obtain more accurate results in a repeat of this experiment, the student should

• A. take fingerprints from a different finger
• B. take the fingerprints of students from a different grade
• C. obtain more fingerprints from other students in the school
• D. use a different procedure to obtain fingerprints from students in the school

36. Which of the following rows correctly identifies the direction and speed of travel for the set of footprints exiting the house above?

• A. West Running
• B. West Walking
• C. East Running
• D. East Walking