Concepts to understand (give an example of each): 1. significant figures 2. how to convert celsius to fahrenheit 3. how to convert fahrenheit to celsius 4. metric prefixes 5. how to calculate density 6. branches of chemistryyou very much.

1 Sig figs - the number of digits that are actually measured. 123 (3 sig figs) 1.20 (also 3 sig figs)

2 C --> F  (9/5)C + 32 = F

3 F ---> C (5/9)(F - 32)

4 Prefixes - certain designations that tells how much the unit is multiplied like Mega- is 1000000X and milli- is 1/1000

5 density = mass/volume

6 Branches - Inorganic, Organic, Analytical, Physical, Biochemistry, Forensics (There may be others, but these are the general categories)