1) Why do astronauts wear special suits? 2) Why did NASA invent small digital cameras? 3) Why do marathon runners use Mylar blankets after a race? 4) Why might astronauts want a 3D food printer on long missions? 5) Why do astronauts exercise every day on the International Space Station? 6) Why does a spaceship carry extra supplies? 7) Why do scientists test all the equipment many times before a launch? 8) Why do rockets need strong insulation? 9) Why do people use insulating materials at home? 10) Why do we use GPS technology on Earth? 11) Why do engineers design machines with sensors? 12) In the future, why might people eat 3D-printed food? 13) Why is it important for astronauts to stay in contact with ground control? 14) Why do you think scientists want to explore Mars? 15) If you were an astronaut, what would you bring with you, and why? 16) What technology would you invent for astronauts, and what would it be for?

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