Pebbles, Sand, and Silt: Unit One

Learner Outcome	Content	Learning Strategy
Observe and sort three kinds of rocks by their properties	hard rough color size	Full Option Science System (FOSS): Pebbles, Sand, and Silt Activity 1, Part 1 pg. 5
Observe how the three rocks interact with water	color change bubbles slippery Rock Record Sheet	FOSS: Pebbles, Sand, and Silt Activity 1, Part 2 Washing Rocks pp. 6 & 7
Sort and classify a larger set of rocks by their properties. Use rock sorting game to extend properties knowledge.	chart graph rock properties sorting mats	FOSS: Pebbles, Sand, and Silt Activity 1, Part 3 First Sorting pp. 8 & 9 Read: Peter and the Rocks, by Lawrence F. Lowery Activity 1, Part 4: Sorting Games pp. 10 & 11.
Create a class rock collection.	Collection Guidelines labeling Rock Record Sheet	FOSS: Pebbles, Sand, and Silt Activity 1, Part 5 Start a Rock Collection pp. 12 & 13 Read: Stone Soup, by Ann McGovern Let's Go Rock Collecting, by Roma Gans
Separate a bag of "river rocks" by size using several techniques. Separate "river rocks" by using three different size screens.	pebbles gravel sand	FOSS: Pebbles, Sand, and Silt Activity 2, Part 1 Screening River Rocks pp. 4-6
Identify different sized Earth materials using area squares on Sand, Grave, and Pebble sheet. Glue particles to record sheet to make permanent record.		FOSS: Pebbles, Sand, and Silt Activity 2, Part 2 River Rocks by Size pp. 7 & 8