Teacher Preparation Video
Pebbles, Sand, and Silt

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FOSS Intro (1:52)
Module Intro (3:49)
Before you begin (0:29)

Investigation 1 - First Rocks
Part 1 - Three Rocks (4:42)
Part 2 - Washing Three Rocks (2:50)
Part 3 - First Sorting (2:25)
Part 4 - Sorting Games (3:02)
Part 5 - Start a Rock Collection (2:39)

Investigation 2 - River Rocks
Part 1 - Screening River Rocks (7:36)
Part 2 - River Rocks by Size (2:13)
Part 3 - Sand and Silt (4:46)
Part 4 - Exploring Clay (5:34)

Investigation 3 - Using Rocks
Part 1 - Rocks in Use (1:35)
Part 2 - Looking at Sandpaper (3:58)
Part 3 - Sand Sculptures (2:42)
Part 4 - Clay Beads (1:39)
Part 5 - Making Bricks (3:05)

Investigation 4 - Soil Explorations
Part 1 - Homemade Soil (6:19)
Part 2 - Soil Search (1:39)
Part 3 - Studying Local Soil (2:24)

Wrap Up and Credits (0:52)