Hair and Fiber Quiz

What is hair made of?

• Fibers

• Keratin

• Polymers

Tags

NGSS.MS-PS1-1

Hair is produced from a structure called the hair (a)  

True or False: Humans develop hair follicles during fetal development, and no new follicles are produced after birth.

• True

• False

Hair color is mostly the result of (a)   , which are chemical compounds that reflect certain wavelengths of visible light.

In order to test hair evidence for nuclear DNA, the (a)   must be present.

Hair is composed of three principal parts:

• Fibers, cortex, cuticle

• Pigments, root, medulla

• Cuticle, Cortex, Medulla

__________ fibers come from plants and animals.

• Synthetic

• Natural

________ fibers are man-made.

• Synthetic

• Natural

Tags

NGSS.MS-PS1-3

True or False: A fiber is the largest unit of a textile material that has a length many times greater than its diameter.

• True

• False

True or False: common fibers such as white cotton or blue denim fibers can be very helpful to an investigation

• True

• False