help me to make a model on food and technology?

Question

i have to make a working model for the topic "food and technology". i m in india and in class 9th.so plz tell me some good things to make models on. something of my level of class 9th.
thanx

Answer 1

you could show how technology has improved harvesting of foods from the earliest to present day

you could show how the packaging of food has improved the preservation and transportation of food

you could show how a refrigerator or freezer helps in preservation and transportation of foods