Chapter 1

Question 1

What is anything that has mass and occupies space?

Answer 1

Matter

Question 2

What is an example of “invisible matter”?

Answer 2

Air

Question 3

What is the study of the composition of matter and the changes that matter undergoes?

Answer 3

Chemistry

Question 4

What are the five traditional areas of study in chemistry?

Answer 4

Organic, inorganic, biochemistry, analytical, physical

Question 5

What is organic chemistry?

Answer 5

The study of all chemicals containing carbon

Question 6

What is organic chemistry?

Answer 6

The study of chemicals that, in general, do not contain carbon.

Question 7

What is biochemistry?

Answer 7

The study of the processes that take place in organisms

Question 8

What is analytical chemistry?

Answer 8

Composition of matter

Question 9

What is physical chemistry?

Answer 9

The mechanism, rate, and energy transfer during change

Question 10

What is the pursuit of chemical knowledge for its own sake?

Answer 10

Pure chemistry

Question 11

_____ chemistry can lead directly to an application, but an application can exist before research is done to explain how it works.

Answer 11

Pure

Question 12

What is research that is directed toward a practical goal or application?

Answer 12

Applied chemistry

Question 13

What is the means by which a society provides its members with those things needed and desired?

Answer 13

Technology

Question 14

What is good about technology?

Answer 14

It allows humans to do some things more quickly with less effort.

Question 15

What are three reasons why chemistry is useful?

Answer 15

• explaining the natural world
• preparing people for career opportunities
• producing informed citizens

Question 16

Why do chemists design materials?

Answer 16

To fit specific needs

Question 17

What is the world of objects that are large enough to see with the unaided eye?

Answer 17

Macroscopic world

Question 18

What is the world of objects that can be seen only under magnification?

Answer 18

Microscopic world

Question 19

How do chemists plan an essential told in energy?

Answer 19

They find ways to:
Conserve energy
Produce energy
Store energy

Question 20

What is one of the easiest ways to conserve energy and how does it work?

Answer 20

Insulation
It acts as a barrier to heat flow from the inside to the outside or the house or from the outside to the inside of a freezer.

Question 21

What is SEAgel?

Answer 21

A foam made from seaweed that is so lightweight that it can float on soap bubbles.

Question 22

What are 3 major sources of energy?

Answer 22

The burning of:
Coal
Petroleum
Natural gas

Question 23

What is oil used from soybeans used to make?

Answer 23

Biodiesel

Question 24

What are devices that use chemicals to store that will be released as electric when the batteries are used?

Answer 24

Batteries

Question 25

What were the cordless tools that use rechargeable batteries first developed for?

Answer 25

NASA

Question 26

Why are many drugs effective?

Answer 26

They interact in a specific way with chemicals in cells

Question 27

Because living and non living things are made of matter, chemistry affects what?

Answer 27

All aspects of life and most natural events

Question 28

Segments of DNA called ____ store the information that controls changes that take place in cells

Answer 28

Genes

Question 29

What applied science to the production of biological products or processes?

Answer 29

Biotechnology

Question 30

How do chemists help with agriculture?

Answer 30

They help develop more productive crops and safer, more effective ways to protect crops

Question 31

Chemists use chemicals produced by insects to fight what?

Answer 31

Insect pests

Question 32

What is a material found in air, water, or soil that is harmful to humans?

Answer 32

Pollutant

Question 33

How do chemists help with the environment?

Answer 33

They help identify pollutants and prevent pollution