Fiber Review

Front

Imagine Nora, Ethan, and Oliver are playing detective. They find a small but measurable amount of physical or biological material at the scene. What would they call this?

Back

Trace Evidence

Answer explanation

Nora, Ethan, and Oliver would call the small measurable material found at the scene 'Trace Evidence' because it helps in solving the case.

Front

Imagine Oliver, Benjamin, and David are playing detective. They found out that fibers are an excellent source of trace evidence. Can you guess why?

Back

Fibers are easily transferred from a victim to a suspect, often overlooked by a suspect, and can be easily collected and stored.

Answer explanation

Fibers are an excellent source of trace evidence because they can be easily transferred, often overlooked, and collected. All of these choices are correct.

Front

Sophia, Noah, and Benjamin are on a mission to identify a mysterious fiber they found during their science project. Which observations should they use to help identify this specific fiber? Options: The smell of the fiber when they burn it, Whether the fiber coils or melts when it comes in contact with flame, The color and structure of the residue left after the fiber burns, All of these choices

Back

All of these choices

Answer explanation

To identify the fiber, Sophia, Noah, and Benjamin should consider all of these choices: the smell when burned, whether it coils or melts when in contact with flame, and the color and structure of the residue left after burning.

Front

What is the smallest unit of textile material? Options: Fiber, Cuticle, Strand, Tress

Back

Fiber

Answer explanation

The correct choice is 'Fiber'. Fiber is the smallest unit of textile material.

Front

Identify the horizontal (lengthwise) yarn or thread in a weave.

Back

weft

Answer explanation

The correct choice is 'weft'. It refers to the horizontal yarn or thread in a weave.

Front

What is the situation called in real-life forensics when fibers are transferred directly from a victim to a suspect, or from a suspect to a victim?

Back

Direct transfer.

Answer explanation

Direct transfer is the situation in real-life forensics where fibers are transferred directly from a victim to a suspect or from a suspect to a victim.

Front

What is the type of evidence transfer called when a fiber is transferred from a source to Kai, and then from Kai to Sophia?

Back

secondary transfer.

Answer explanation

Secondary transfer is the correct choice. It refers to the transfer of evidence from one person or object to another, after the initial transfer from the source. In this scenario, the fiber was transferred from the source to Kai, and then from Kai to Sophia.

Front

Where do natural fibers come from?

Back

They come from animals, plants, and are minerals that are mined from the ground.

Answer explanation

Natural fibers come from animals, plants, and minerals. All of these choices are correct.

Front

What is the term for a vertical yarn or thread in a weave?

Back

warp

Answer explanation

The term for a vertical yarn or thread in a weave is called 'warp'. It provides the structure and foundation for the tapestry.

Front

When fibers are transferred directly from victim to suspect or suspect to victim, this is called:

Back

direct transfer.