A balanced diet is essential to stay healthy. Astronauts must consume all the nutrients needed so that they have plenty of energy and remain alert.
Your task:
Write down what nutrients food must contain to keep someone healthy over a long period.
Calculate the water content of a potato/tomato/piece of meat/crisps/soup. Make a pictogram to illustrate your class results.
Design some food that astronauts could take, store and eat in weightless conditions.
N.B: Weight and packaging are important.