Benchmark 1C
The Nature of Science: The Scientific Enterprise
Grades K-2, page 15

Everybody can do science and invent things and ideas.

The most closely related standard is at a higher level of sophistication.
 

NSES Content Standard E 
Science and Technology: Understanding about science and technology 
Grades K-4, page 138 
Women and men of all ages, backgrounds, and groups engage in a variety of scientific and technological work.