Category 1
necessary for hydration
What is Water?
this happens to provide water for astronauts on the ISS
What is recycled?
the protective layer of the atmosphere
What is the Ozone Layer?
the reason astronauts exercise every day while in space
What is to prevent loss of muscle and bone density?
the 3 gases that make up Earth's atmosphere
What are oxygen, nitrogen and carbon dioxide?
necessary for nutrition
What is food?
astronaut's food on the ISS must be (name 3 conditions)
What is self-contained, nonperishable, prepackaged, need no refrigeration, and/or need no cooking?
plants produce glucose and oxygen during this process
What is Photosynthesis?
the right distance from the Sun to support life
What is the habitable zone?
the reason small items must be contained or attached and showers must include a vacuum system on the ISS
What is microgravity?
necessary to breathe
What is oxygen?
how solid waste on the ISS is handled
What is compressed and stored until landing?
a force of attraction between masses due to their masses
What is Gravity?
the environment astronauts experience in space that makes them float
What is microgravity?
in addition to a breathable atmosphere, 2 keys to life on a planet
What are water and gravity?
provides warmth and energy
What is the Sun?
the reason Earth needs the magnetosphere
What is solar wind?
4 essentials for life
What are water, nutrients, gases and energy?
Earth is this because of being in the Habitable Zone
What is the Goldilocks Planet?
4 of the 5 key factors of space exploration
What are oxygen, water, body protection, prepared food, and waste management?
gas we exhale
What is Carbon Dioxide?
a bubble around the Earth that provides protection from UV radiation
What is the Ozone Layer?
a mixture of gases that surrounds a planet, moon or other celestial body
What is an Atmosphere?
an astronaut's body is protected by -
What is a spacesuit?
What are protection against hostile environments & radiation; regulating oxygen, temperature & air pressure?