NSES Content Standard B 
Physical Science: Properties of objects and materials 
Grades K-4, page 127 

Objects have many observable properties, including size, weight, shape, color, temperature, and the ability to react with other substances. These properties can be measured using tools such as rulers, balances, and thermometers. 

Benchmark 4D The Physical Setting: Structure of Matter
Grades K-2, page 76
Objects can be described in terms of the materials they are made of (clay, cloth, paper, etc.) and their physical properties (color, size, shape, weight, texture, flexibility, etc.).