3. A rocket can fly to the moon because
A) it looks like a balloon.
B) it is much lighter than an airplane.
C) it doesn't have wings.
D) it works like an untied balloon.
4. Which of the following statements about a rocket is NOT true?
A) It can fly when there is no air.
B) It can fly without wings.
C) It is made of strong metal.
D) It is propelled by burning gas inside it.
5. A rocket is pushed up into the air when
A) hot gas rushes out of its head.
B) it is powered by gas.
C) hot gas rushes out of its bottom.
D) hot gas rushes out of its neck.
Keys: DADDC
A) it looks like a balloon.
B) it is much lighter than an airplane.
C) it doesn't have wings.
D) it works like an untied balloon.
4. Which of the following statements about a rocket is NOT true?
A) It can fly when there is no air.
B) It can fly without wings.
C) It is made of strong metal.
D) It is propelled by burning gas inside it.
5. A rocket is pushed up into the air when
A) hot gas rushes out of its head.
B) it is powered by gas.
C) hot gas rushes out of its bottom.
D) hot gas rushes out of its neck.
Keys: DADDC