What senses play a role in the enjoyment of food?

Imagine that it is snack time and that you open your lunch box only to find strange foods. Their smells, colors and textures are different from the food you usually eat. What would that do to your appetite? Do you think your snack will taste like it usually does or will it taste different? What senses do you use to enjoy your snack? - Activity developed by Éclairs de sciences.