Grade: 1 - Earth and Space Science 2

1.ESS.2
Observe and compare properties of sand, clay, silt, and organic matter. Look for evidence of sand, clay, silt, and organic matter as components of soil samples.

I Can Statements Academic Vocabulary
* I can observe properties of sand, clay, and silt.
* I can observe properties of organic matter.
* I can compare properties of sand, clay, silt, and organic matter.
* I can look for evidence of sand, clay, silt and other organic matter as components of soil.

Soil
Sand
Clay
Silt
Organic matter

Cross Cutting Concepts
Structure and Function
Looking Back Looking Ahead
* Plan and conduct an investigation using all senses to describe and classify different kinds of objects by their composition and physical properties. Explain these choices to others and generate questions about the objects. (K.PS.1) * Observe the detailed characteristics of rocks and minerals. Identify and classify rocks as being composed of different combinations of minerals. (3.ESS.3)