1. CHEMISTRY What Is It?

2. Learning Goal I CAN give a working definition of CHEMISTRY, provide reasons for studying it, and identify the five main branches. I CAN give a working definition of CHEMISTRY, provide reasons for studying it, and identify the five main branches.

3. What do you think of when you where the word CHEMISTRY? In a 3 to 5 sentence paragraph, DESCRIBE what the word CHEMISTRY makes you think of. In a 3 to 5 sentence paragraph, DESCRIBE what the word CHEMISTRY makes you think of.

4. What is CHEMISTRY? In your own words, WRITE your own DEFINITION of CHEMISTRY. In your own words, WRITE your own DEFINITION of CHEMISTRY.

5. Our class DEFINITION of CHEMISTRY CHEMISTRY is the study of matter; its CHEMISTRY is the study of matter; its –COMPOSITION –STRUCTURE –and the CHANGES it undergoes.

6. Why Study Chemistry Anyway? There are many reasons to study CHEMISTRY (or any science for that matter): –t–t–t–to understand and explain the natural world. –t–t–t–to become an informed and responsible citizen. –t–t–t–to prepare for a career.

7. What Do CHEMISTS Study? Traditionally, the study of CHEMISTRY is divided into FIVE BRANCHES. Traditionally, the study of CHEMISTRY is divided into FIVE BRANCHES. Sometimes branches OVERLAP each other. Sometimes branches OVERLAP each other. 1. ORGANIC CHEMISTRY – the field of chemistry dedicated to studying CARBON BASED COMPOUNDS. -Carbon compounds generally come from ONCE LIVING ORGANISMS.

8. 2. INORGANIC CHEMISTRY – the study of 2. INORGANIC CHEMISTRY – the study of substances that DO NOT contain substances that DO NOT contain carbon. carbon. 3. ANALYTICAL CHERMISTRY – the 3. ANALYTICAL CHERMISTRY – the branch of chemistry that studies branch of chemistry that studies COMPOSITION of substances. COMPOSITION of substances. –(WHAT is in it and HOW MUCH) 4. BIOCHEMISTRY – the field of 4. BIOCHEMISTRY – the field of chemistry that studies CHEMICAL chemistry that studies CHEMICAL PROCESSES in LIVING ORGANISMS. PROCESSES in LIVING ORGANISMS. 5. PHYSICAL CHEMISTRY – the study of the 5. PHYSICAL CHEMISTRY – the study of the MECHANISMS (ways) in which CHEMICAL MECHANISMS (ways) in which CHEMICAL REACTIONS occur and the CHANGES THAT REACTIONS occur and the CHANGES THAT MATERIALS undergo as a result. MATERIALS undergo as a result.

9. Working with a partner….. Read each of the following descriptions and determine which branch of chemistry would be involved: Read each of the following descriptions and determine which branch of chemistry would be involved: 1. A lab determines the mineral 1. A lab determines the mineral composition of a moon rock. composition of a moon rock. ANALYTICAL (What and How Much) ANALYTICAL (What and How Much)

10. 2. A student graduate students studies 2. A student graduate students studies the process of photosynthesis in a the process of photosynthesis in a botany (plant) lab. botany (plant) lab.-BIOCHEMISTRY (Chemical processes in living organisms) (Chemical processes in living organisms)

11. 3. A research lab isolates a new 3. A research lab isolates a new compound from crude oil. compound from crude oil. ORGANIC (Carbon-based compounds) ORGANIC (Carbon-based compounds)

12. 4. Researchers study how a series of 4. Researchers study how a series of different enzymes affect the rate of the different enzymes affect the rate of the decomposition of bee venom. decomposition of bee venom. PHYSICAL - study of how reactions occur. PHYSICAL - study of how reactions occur.

13. QUICK REVIEW What was todays LEARNING GOAL? What was todays LEARNING GOAL? I CAN give a working definition of CHEMISTRY, provide reasons for studying it and name the five main branches. I CAN give a working definition of CHEMISTRY, provide reasons for studying it and name the five main branches.

14. Exit Slip (Formative Assessment) On a POST-IT NOTE you have at your table, tell me THREE THINGS you learned today about CHEMISTRY. On a POST-IT NOTE you have at your table, tell me THREE THINGS you learned today about CHEMISTRY. Put your name on the BACK of the post it and TURN IT IN WHEN THE BELL RINGS on your way out! Put your name on the BACK of the post it and TURN IT IN WHEN THE BELL RINGS on your way out!