Benchmark 8A
The Designed World: Agriculture
Grades K-2, page 184

Machines improve what people get from crops by helping in planting and harvesting, in keeping food fresh by packaging and cooling, and in moving it long distances from where it is grown to where people live.

NSES Content Standard F
Science in Personal and Social Perspectives: Science and technology in local challenges
Grades K-4, page 141
Science and technology have improved food quality and quantity, transportation, health, sanitation, and communication. These benefits of science and technology are not available to all of the people in the world.