1. For a shuttle to take off the ground it has to push _________________. off the ground.
4.2 million lbs.
3 .6 million lbs.
4.5 million lbs.

2. The space shuttle's fuel tank carries
500,000 gallons of liquid oxygen and liquid hydrogen.
500,000 gallons of oxygen and hydrogen.
500,000 gallons of liquid oxygen and hydrogen.

3. On average a space shuttle mission the shuttle and crew will stay in earth's orbit for how long?
Ľ a week
˝ a week
1 week

Score =
Correct answers: