NSES Content Standard E   Science and Technology: Understanding about science and technology  Grades K-4, page 138  People have always had problems and invented tools and techniques (ways of doing something) to solve problems. Trying to determine the effects of solutions helps people avoid some new problems.

 
Benchmark 3A The Nature of Technology: Technology and Science
Grades 3-5, page 45
Throughout all of history, people everywhere have invented and used tools. Most tools of today are different from those of the past but many are modifications of very ancient tools.

Benchmark 3B The Nature of Technology: Design and Systems
Grades 3-5, page 50
The solution to one problem may create other problems.

Benchmark 3C The Nature of Technology: Issues in Technology
Grades K-2, page 54
When a group of people wants to build something or try something new, they should try to figure out ahead of time how it might affect other people.

Benchmark 3C The Nature of Technology: Issues in Technology
Grades 3-5, page 54
Technology has been part of life on the earth since the advent of the human species. Like language, ritual, commerce, and the arts, technology is an intrinsic part of human culture, and it both shapes society and is shaped by it. The technology available to people greatly influences what their lives are like.