Factor-Label Method and SI Units

 

I.  What is the Factor-Label Method?

A.  The most important ______________ process in chemistry

B.  Treats _____________ and ___________ equally

C.  _______________ what is given fractions equal to _________ to convert units.

II. Factor-Label fill in this fraction

          A.

          ____________________½______________________

                                                   ½

 

          B.  Convert 1000 grams to pounds

 

 

 

          C.  Convert 65 miles/hour to meters/second

 

 

 

          D.  1 Bus=12 cars

               3 cars=1 truck

               1000 basketballs=1 truck

          How many basketballs are carried by 8 buses?

 

 

 

 

 

III.  SI Base Units                                     Place unit below:

          A.  Mass                                            ____________

          B.  Length                                          ____________

          C.  Time                                             ____________

          D.  Temperature                               ____________

          E.  Amount of substance                   ____________

          F.  Electric Current                           ____________

          G.  Light intensity                    ____________

 

IV. Derived Units                                        Place unit Below:

 

A.  Area                                             _____________

 

          B.  Volume                                         _____________

 

          C.  ***Density                                   _____________

         

V.  SI prefixes                                           Place meaning below:

          A.  Mega                                            _______________

          B.  Kilo                                               _______________

          C.  Deci                                              _______________

          D.  Centi                                            _______________

          E.  Milli                                              _______________

          F.  Micro                                            _______________

          G.  Nano                                            _______________

          H. Pico                                               _______________

 

VI. Different Volume Units                        Place meaning below:

          A.  Liter                                             _______________

          B.  Milliliter                                       _______________

PROBLEMS:

          1) Correct number of metric prefix

                   a) 1 centimeter = _________  meter

                   b) 1 _______liter = 0.001 liter

                   c) 1 microgram = _________ gram

                   d) 1 ______ volt = 1000 volts

                   e) 1 nanosecond = ______ second

          2) Perform these unit conversions

                   a) 0.001348 g to milligrams _______________

                   b) 3560 N to kilonewtons  ________________

                   c) 5.29 cs to seconds  ___________________

                   d) 81 mW to watts _____________________