TRADITIONAL BULGARIAN AND SPANISH GRASTRONOMY IN SPACE How do the astronauts feed in the space? Daniela Georgieva V-th primary school, Kyustendil, Bulgaria José Luis Olmo IES Azuer de Manzanares (Ciudad Real Spain). INTRODUCTION One of the most important challenges that we find in the trips or stays in space is the feeding of the astronauts. The first enquiry based problem for the students is to investigate these special requirements, besides, to realize its main function to cover its biological necessities of nutrients and energy. For example, in microgravity conditions some foods leave crumbs, which can obstruct the ventilation ducts, or drinks leave drops that can float in the cab and cause damage to the equipment. Other important properties are that food supplies should not be very heavy, have to be kept for a long time and have to be easily manipulated. Hence the two more subjects for investigation are: the kind of foo...
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