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- 1. Multiple Choice
Astronaut spacesuits include an oxygen delivery system becausethere is less gravity in space.space has nitrogen-rich air.asteroids dissolve in oxygen.space is an airless vacuum. - 2. Multiple ChoiceWhich of the following parts of a spacesuit is essential for the survival of astronauts taking short space walks of less than thirty minutes?Tool beltOxygen supplyFreeze-dried foodMagnetic boots
- 3. Multiple ChoiceA spacesuit includes a helmet, gloves, shoes, and a total body covering. What vital part of the spacesuit that keeps the astronaut alive is missing from this list?A handheld computerA robotic armAn oxygen systemA jet pack
- 4. Multiple ChoiceWhat accommodations have been designed to protect astronauts from micrometeoroids hitting their spacesuits?Jet packsLand roversRemovable strapsMultilayered spacesuits
- 5. Multiple ChoiceAstronauts need to exercise while in space because, without gravity, the environment in space -lacks breathable air, including the oxygen humans need.makes astronauts consume more calories during their missions.provides less resistance and weakens muscles and bones.does not allow the human body to retain heat as well as on Earth.
- 6. Multiple ChoiceWhich of the following helps astronauts move from one area to another inside of a spaceship?Special handlesJet packsSwimming strokesConveyor belts
- 7. Multiple ChoiceAn astronaut returns from six months on the space station. The astronaut’s muscles are weak, requiring the astronaut to be helped from the spacecraft once back on Earth. Which of the following accommodations on the space station would help prevent this problem?Provide food that provides astronauts with more energy.Outfit the space station with exercise equipment.Increase the oxygen levels inside the space station.Design spacesuits that are lighter and easier to wear.
- 8. Multiple ChoiceThere is no air in space. Which of the following accommodations is required for an astronaut to directly communicate with another astronaut in space?ComputerRadioSatelliteJet pack
- 9. Multiple ChoiceWhich of the following results in the need for a strong outer layer, similar to a bullet-proof vest, on a spacesuit?Passing cometsLack of airCold temperatureSmall micrometeoroids
- 10. Multiple ChoiceVelcro® allows objects to be easily attached and also easily separated. What condition of space made the invention of Velcro® necessary?Lack of oxygenVacuum of spaceMicrogravity environmentExtreme temperatures
- 11. Multiple ChoiceWhich of the following accommodations is designed to overcome the unique difficulties associated with showering in space?A skid-proof floor matA drain in the floor of the showerA vacuum system to control water movementA bench inside the shower
- 12. Multiple ChoiceAstronaut beds have straps attached to provide a safe sleeping environment. What condition of space do the straps accommodate?Lack of oxygenVacuum of spaceMicrogravity environmentExtreme temperatures
- 13. Multiple ChoiceTo offset the effects of the low-gravity space environment on the body, astronauts must -exercise regularly.eat high-fat meals.shower twice a day.take naps every day.
- 14. Multiple ChoiceAn astronaut should not remove his or her helmet while working outside the space station because the helmet provides -nitrogen.oxygen.water.food.
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