1. Chapter 1 Chemistry in our Lives
1.1 Chemistry and Chemicals
Learning Goal Define the term
chemistry and identify
substances as chemicals.
© 2014 Pearson Education, Inc.

2. Identifying Place Values (1.4A)
Chapter 1 Readiness
Key Math Skills
Identifying Place Values (1.4A)
Using Positive and Negative Numbers in Calculations (1.4B)
Calculating a Percentage (1.4C)
Solving Equations (1.4D)
Interpreting a Line Graph (1.4E)
© 2014 Pearson Education, Inc.

3. Definition of Chemistry
Chemistry is the study of substances in terms of:
composition What is it made of?
structure How is it put together?
properties What characteristics does it have?
reactions How does it behave with other substances?

4. Units of Measurement and Their Abbreviations
Chemistry happens every day when:
food is cooked
a car is started
silver tarnishes
an antacid tablet
fizzes in water
plants grow taller
food is digested

5. Branches of Chemistry
The field of chemistry is divided into branches such as
general chemistry
organic chemistry
biochemistry
geochemistry
physical chemistry

6. Chemicals
Chemicals are substances that always have the same composition and properties.
All things you see are made of chemicals such as
soaps and lotions
toothpaste
cosmetics
clothes

7. Chemicals in Toothpaste

8. Chemistry in Our Lives
Some of the chemicals you may encounter when you cook in the kitchen are
antioxidants in food
metal alloys
plastics

9. Learning Check Which of the following items contain chemicals?
toothpaste
vitamins
happiness
glass
food

10. Solution Which of the following items contain chemicals?
toothpaste contain chemicals
vitamins contain chemicals
happiness does not contain chemicals
glass contain chemicals
food contain chemicals