Chapter 1

Question 1

All CFCs are made of

Answer 1

Carbon, flourime, cesium

Question 2

Matter is measured in terms of

Answer 2

Mass

Question 3

Do subtle differences in weight exist at different locations on Earth?

Answer 3

Yes

Question 4

The study of the matter and processes of living things

Answer 4

Biochemistry

Question 5

The study of carbon-containing chemicals

Answer 5

Organic chemistry

Question 6

The study of the components and the composition of substances

Answer 6

Analytical chem.

Question 7

The study of matter that does not contain organic chemicals

Answer 7

Inorganic chem.

Question 8

The study of the behavior and changes of matter and the related energy changes

Answer 8

Physical chem.

Question 9

Matter and the environment

Answer 9

Environmental

Question 10

Chemical process in industry

Answer 10

Industrial

Question 11

Polymers and plastic

Answer 11

Polymer

Question 12

Chemical interactions

Answer 12

Theoretical

Question 13

Heat involved in chemical process

Answer 13

Thermochemistry

Question 14

Ozone is formed when oxygen is struck by?

Answer 14

Ultraviolet radiation

Question 15

Qualitative data

Answer 15

Information that describes physical characteristics

Question 16

Quantitive data

Answer 16

Numerical information

Question 17

Sceientific method

Answer 17

A systematic approach used in scientific study

Question 18

Hypothesis

Answer 18

A tentative explantion for what has been observed

Question 19

Experiment

Answer 19

A set of controlled observations to test the hypothesis

Question 20

Independent variable

Answer 20

A variable you can change

Question 21

Dependent variable

Answer 21

The value changes in respones to change in the independent variable

Question 22

Conclusion

Answer 22

A judgement based on the information obtained

Question 23

Theory

Answer 23

An explanation of a natural phenomonon based on many observations and investigations over time

Question 24

Scientific law

Answer 24

A relationship in nature that is supported by many experiments

Question 25

Pure research

Answer 25

A scientfic investigation that seeks to gain knowledge for the sake of knowledge

Question 26

Applied research

Answer 26

Research undertaken to solve a specific problem

Question 27

What else harms the ozone

Answer 27

Carbon tetrachloride, methyl chlorform, bronze

Question 28

When does the ozone hole form in antartica

Answer 28

Spring

Question 29

What temperature does it take for stratospheric ice clouds to form

Answer 29

-78 celcus

Question 30

Chemistry

Answer 30

Study of matter and the changes it undergoes

Question 31

Matter

Answer 31

The stuff of the universe

Question 32

Mass

Answer 32

A measurement that reflects the amount of matter

Question 33

What's the ozone layer protect from UVB

Answer 33

Pants and animals

Question 34

What are CFC used in

Answer 34

Coolants

Question 35

Weigh

Answer 35

Am measure of the amount of matter and the measure of the effect earths gravitational pull on matter

Question 36

What percent of ozone protects the earth

Answer 36

90%

Question 37

What are chemicals also known as

Answer 37

Substances