Teacher Preparation Videos
Mixtures and Solutions

The FOSS Teacher Preparation Videos help you prepare to teach the FOSS modules. They include teacher guide information, safety precautions, set up procedures, and classroom footage. Click on the name of the video clip you wish to view from the list below. Select "Play All" to view the entire Teacher Preparation Video.

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FOSS Mixtures and Solutions Teacher Prep Video
Total run time - 1:34:34
Select a chapter from the list below.
Foss Intro (1:42)
Mixtures and Solutions Intro (6:47)
Investigation 1 - Separating Mixtures
Part 1 - Making and Separating Mixtures (13:14)
Part 2 - Weighing and Separating a Salt Solution (4:50)
Part 3 - Observing Crystals (2:01)
Part 4 - Separating a Dry Mixture (5:55)
Investigation 2 - Reaching Saturation
Part 1 - Salt Saturation (6:57)
Part 2 - Citric-Acid Saturation (4:35)
Part 3 - The Saturation Puzzle (5:25)
Part 4 - Comparing Crystals (1:55)
Investigation 3 - Concentration
Part 1 - Soft-drink Recipes (11:52)
Part 2 - Salt Concentration (6:15)
Part 3 - Mystery Solutions (5:24)
Investigation 4 - Fizz Quiz
Part 1 - Chemical Reactions (7:30)
Part 2 - Reaction Products (2:26)
Part 3 - Reaction in a Zip Bag (5:00)
Part 4 - Choosing Your Own Investigation (2:17)
 
Play All (1:34:34)