Olympic ESD 114

    FOSS Science Kit



    Pebbles, Sand and Silt (1-2)



    This page provides educators with information and resources in using the Full Option Science System (FOSS) kits provided by the Science Kit Cooperative at Olympic ESD 114.

    Pebbles, Sand and Silt Curriculum Calendar
    The calendar below is to support teachers in planning for teaching the Pebbles, Sand, and Silt
    FOSS Science Kit. Use the calendar links below to identify: the big ideas, key standard targets for each lesson, and assessment opportunities. 


    Week 1 & 2 - First Rocks
    How would a scientist investigate rocks?  How will rocks change if you put them in water?  What word best describes rocks? What are fossils?
    How do scientists use tools?  How do rocks get to be different sizes?  How small is the smallest particle of rock?  How does water change clay? 
    How do people use rocks?  How can sand be used?  What parts make up sandpaper?  
    What parts go together to make good soil?  What does a soil scientist do?  Is soil in our school yard good or bad?

    Curriculum Resources

    Support Materials 

      • Content Resources

      • STEM and Sustainability

    tof Science in the Schoolyard Guide: FOSS® Pebbles, Sand, and Silt
    • School and Teacher Created Resources

    • Discussion Forums

    • Media from OESD Instructional Materials Cooperative