Types of Impressions
Types of Tire Marks
Vehicle Identification
Shoe Impressions
Impression Collection
100

I am making this type of impression as I touch my hand to the table. 

What is a latent impression? 

100

This type of tire impression is always in a straight line.

What is a skid mark? 

100

This is the distance between the vehicle's axles (Front tire to rear tire measurement).

What is wheelbase? 

100

This is another name for the shoe tread. 

What is the shoe's sole? 

100

What you should do before casting or lifting a patent or plastic impression.

What is photograph? 

200

I make this impression when I touch my homework after eating Hot Cheetos. 

What is a patent impression? 

200

These impressions are caused by an overloaded vehicle sliding to the side, or from being hit from the side and being pushed sideways or diagonally. 

What are tire scrubs? 

200

This is the most accurate measurement used to measure vehicles. 

What is a millimeter? 

200

This is roughly what I can measure about a person when I measure the size of their shoe print impression. 

What is the person's height? 

200

This lifting method can reveal the fine dust left by a dry shoe. 

What is electrostatic lifting? 

300

This is the type of impression a Jeep leaves behind on a muddy dirty road. 

What is a plastic impression? 

300

This type of impression is always curved but still has visible rib and groove patterns. 

What are yaw marks? 

300

Pick-up trucks typically have a larger THIS to haul heavy loads. 

What is a rear track width? 

300

This is another name for a person's pattern of moving. 

What is gait? 

300

This method is used to re-create the shoe that leaves behind a plastic impression.

What is a casting method?

400

This is a type of impression that is unique to you. 

What is a fingerprint? 

400

The three types of tire marks are considered this type of impression. 

What are patent impressions?

400

This is the tire measurement taken between the two front tires or two rear tires (side to side)

What is the track width

400

The specific part of the shoe impression would be deeper, darker, and heavier if the person walked heel to toe. 

What is at the heel? 

400

These are powdery compounds that can be used for casting foot and other impressions

What plaster of Paris or Dental Stone? 

500

This is the type of impression my dirty shoes leave on my kitchen floor. 

What is a patent impression? 

500

This is the most reliable type of tire mark for identifying the vehicle. 

What are skid marks? 

500

This is the minimal space required for a vehicle to make a 360-degree turn or U Turn. (Vocab Word)

What is the turning diameter? 

500

Three factors that personalize shoe impressions. 

What are...
The way the person walks/gait; body weight; rough height; shoe tread; foot shape; unique holes, cuts, or wear of the shoe; injury or handicap; age of person (child or adult), size of stride

500

These are both types of lifting methods for latent prints

Gel lifting and electrostatic lifting.