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. |