Wed., May 1, 2013

Objectives:  Using chemical skills to identify unknown metals
Announcements:  Grades
Opening Data: None

Continue lab work with metal samples
Videotape methods, calculations & results
Project Description (just in case)
It came from outerspace

Tues., Apr. 30, 2013

Objectives:  Identifying materials

Announcements:  Grades
Opening Data: None

Begin lab work

Project Description (just in case)

Mon., Apr. 29, 2013

Objectives:  Identifying materials

Announcements:  Grades
Opening Data:  Show me your proposal

Begin lab work

Project Description (just in case)

Fri., Apr. 26, 2013

Objectives:  Identifying materials

Announcements:  Warning! Alien Invasion!

Opening Data:  It came from Outer Space
Project

Homework: Write a procedure for 
determining the identity of the 
metals from the ship.  Include a 
short paragraph describing how 
you get from your procedure to 
knowledge of the identities.

Thurs., Apr. 25, 2013

Objectives:  Discover how much heat 
energy is released by burning a cheeto
Announcements:  Grades/Assignments
Opening Data:  Set up your apparatus
25-35 mL water
Initial temp
Mass your cheeto
Heat - final temp  
Calculate heat released
Homework:  Convert to calories &
Calories.  Look up the value for Cheetos
online how did you do?  Is our value 
too high or too low?  Explain.

Wed., Apr. 24, 2013

Objectives:  Describe why continuous 
heating does not always cause an increase
in temperature
Announcements:  Grades/Assignments
Opening Data:  
Examine heating & cooling curves

• plateaus
• generalized heating/cooling curves
• freeze, melt, boil, condense

Homework: I

Tues., Apr. 23, 2013

Objectives:  Build a scientific instrument
that will allow the analysis & identification
of unknown substances
Announcements:  Got your cereal box? 
Opening Data:  Diffraction of light

Diffraction Gratings 

  
Build a spectroscope
Homework: I