This is the fill-in-the-blank handout that goes with the Chapter 1 presentation for the Introduction to Chemistry.

1. Name: __________________________________________________________ Date: ____________ Hour: _____
Chapter 1 Study Guide – Introduction to Chemistry
I. What is Chemistry?
Chemistry is the study of ____________ and the ____________ that ___________ undergoes.
Matter = Anything that has __________ and ____________________________.
Examples of Matter: ___________________________________________
Examples of Non-Matter: _______________________________________
II. Five Major Branches of Chemistry
1. Organic Chemistry – study of essentially all chemicals containing ____________
2. Inorganic Chemistry – study of chemicals, in general, that do NOT contain _____________
3. Biochemistry – study of ______________________ that occur in ____________________
4. Analytical Chemistry – area of study that focuses on the ____________________ of matter
5. Physical Chemistry – deals with the _______________, the ________, and the __________
transfer that occurs when matter undergoes a change.
* investigates underlying ________________________ behind changes
II. Pure and Applied Chemistry
1. Pure Chemistry – pursuing of knowledge ________________________________________
or to satisfy man’s __________________________________________.
Example: _______________________________________________________________
2. Applied Chemistry – research that is directed toward a __________ or ________________
in order to _______________________________.
Example: _______________________________________________________________
3. Technology – the means by which society provides its members with the things they
______________ or ____________.
III. Why Study Chemistry?
1. In order to _________________ the natural world.
Example: __________________________________________________
2. To help you prepare for a __________________.
Example: __________________________________________________
3. To become an ____________________________.

2. Example: __________________________________________________
IV. Chemistry Far and Wide
1. Materials – Chemists design materials to fit ______________________ in the world.
a. Macroscopic – the world in which objects are _________ enough to _______.
b. Microscopic – the world where objects can only be seen under ________________.
2. Energy – Chemists play an essential role in finding ways to _________________,
____________________, and _____________ energy.
3. Medicine – Chemistry supplies the ________________, ________________, and
____________________ that doctors use to treat their patients.
- Biotechnology – applies science to produce biological _____________ and _____________
4. Agriculture – Chemists help develop more _______________ crops and safer, more
effective ways to _______________ crops.
i. Soil ________________ testing to figure out ways to improve soil
ii. Adding ___________________ to the soil
iv. Developing __________________ to prevent the growth of weeds.
v. Developing __________________ to kill or deter pests.
vi. Developing other chemicals to help prevent plant ________________.
vii. Biochemists modify the _________ of plants to make them better.
5. The Environment – Chemists identify ________________ and prevent ______________.
V. The Scientific Method
Def – A ____________, __________________ approach to solving problems.
1. Problem – A ____________ to be answered, usually stated as a _____________.
2. Observations - Using your ____________ to obtain information about the problem.
3. Hypothesis – A ____________________________ for an observation.
4. Experiments – A procedure used to ________ your hypothesis.
a. Manipulated or ____________ variable – a variable you _____________
b. Responding or _____________ variable – variable you _______________
5. Conclusion – _____________ experimental results to form ____________ or ________
a. Theory – a well-tested _______________ for a set of observations.
- Tries to ___________________, but can be never be ______________.
b. Law – a concise statement that ___________________ results of many observations.

3. - A law is simply a statement of ________ that does not try to ______________.