Forensic Science Unit 5 Review

The technique of fitting pieces of broken glass together like a jigsaw puzzle is called

• fracture matching

• retrofitting

• fragment piecing

• fracture consistency

How can it best be determined from which direction a bullet hit a window?

• whether more broken glass is on the inside or the outside of the window

• the cone-shaped depression on the exit side

• the triangular impression on the entry side

• the gunshot residue on the entry side

The periodic table is a

• summary of the order of analyses undertaken in a forensic investigation.

• chart listing by name and symbol of all the known elements.

• forensic text table of contents.

• forensic newsletter issued periodically.

Which physical state has a definite volume but no specific shape?

• solid

• liquid

• gas

If an object is immersed in a liquid of greater density, it will

• sink

• float

• be suspended in the liquid

Which color of the visible spectrum has the highest frequency and the shortest wavelength?

• red

• yellow

• green

• violet

Flotation is a method used by scientists to determine the ________ of a particle of glass.

• density

• index of refraction

• transparency

• temperature

In reference to the diagram above, what is the correct sequence of impacts?

• A, then B

• B, then A

• cannot be determined

• both made simultaneously

The two most important physical properties of glass for forensic comparisons are (choose all that apply)

• density

• color

• refractive index

• temperature

• weight

The smallest particle of an element that can exist and still retain its identity.

• compound

• molecule

• photon

• atom