102b.11 - Matter

Question 1

The term used to identify anything that occupies space and has weight is called:

Answer 1

Matter

Question 2

Matter with definite weight and volume but no definite shape is called:

Answer 2

A liquid

Question 3

Which of the following conditions is an example of chemical change?

Answer 3

oxygen and hydrogen combining to form water

Question 4

Basic substances that cannot be broken down into simpler substances are called:

Answer 4

Elements

Question 5

Neutrons have which type of electrical charge?

Answer 5

None

Question 6

Atoms that are the same form a(n):

Answer 6

Element

Question 7

When two hydrogen atoms combine with one oxygen atom, the result is water, which is called a(n):

Answer 7

Compound

Question 8

Atoms that are different form a(n):

Answer 8

Compound

Question 9

Carbon, oxygen, hydrogen and nitrogen form the basis of:

Answer 9

Amino acids

Question 10

What makes up the primary composition of hair?

Answer 10

Keratin

Question 11

Which bond is the backbone of all protein molecules?

Answer 11

Peptide

Question 12

Putting a lightener under a hair dryer:

Answer 12

could break the critical peptide bonds and destroy the protein structure

Question 13

When amino acids combine to form the protein of the hair:

Answer 13

They take on a spiraling configuration

Question 14

What is the side bond that is of the greatest concern to the barber?

Answer 14

Disulfide bond

Question 15

Which of the following statements describes how human hair is formed?

Answer 15

Bonding of protein chains to other protein chains