One astronaut needs 2 quarts of drinking water every day. From the food list provided, list three of the foods that best fulfill the meal requirements. Explain the method astronauts use to go to the bathroom in space. The vacuum sucks the waste into a plastic bag Use the toilet paper, then put it into the bag and seal it. The toilet squeezes the bag down in size, then stores it until a shuttle can return it to earth.
Solar energy is the best source of power, because it is free, efficient, and endless.
Solar panels are also lightweight, so it is easy to lift into orbit. Batteries are used to store power generated by solar panels. List three ways astronauts get exercise in weightlessness. Stationary bicycles, rowing machines and treadmills 11. Sponge baths are the best way to bathe in space.