Q. The investigation of physical conditions in space and on stars, planets, and other celestial bodies through the use of satellites, space probes, or spacecrafts with human crews.

Q. What are the conditions in space?

Q. What are some accommodations to help Astronauts in micro-gravity?

Q. Atmosphere is :

Q. What is are the accommodations for living and working in space?

Q. What does the space suit provide protection against?

Q. Which of the following is NOT affected by microgravity in space?

Q. Which of the following is NOT a potential side effect of over exposure to radiation?

Q. Which of the following materials would be best to reflect the Sun's harmful rays during space walks?

Q. The human body can only go a few days without water. How do astronauts fulfill this need?

Q. How do astronauts accommodate the need for food when space on the shuttle is limited?

Q. Temperatures in space can range from negative 450 degrees Fahrenheit to temperatures in the 1000s. How do astronauts protect themselves?

Q. Space shuttles are reinforced with high tensile material to avoid punctures in the hull. What may cause such problems?

Q. Which of the following would NOT help to lessen the psychological effects of the isolation of space?

Q. Which of the following effects does NOT happen to the body when there is no air pressure?

Q. Which of the following necessary gases is lacking is interplanetary space?

Q. Prolonged isolation in space can be psychologically damaging to astronauts. What is the distance to Mars from Earth?

Q. Prolonged isolation in space can be psychologically damaging to astronauts. How long will the trip from Earth to Mars take?

Q. Prolonged isolation in space can be psychologically damaging to astronauts. Once landed on Mars, how long will astronauts have to wait for the planets to be aligned for their return trip?

Q. How is oxygen created aboard space crafts?