Teacher Preparation Video
Mixtures and Solutions

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FOSS Intro (1:42)
Module 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)

Credits (0:29)