spacecraft use rockets to get to space
The rocket was so hot it exploded!
i launched the Rocket ship into the sky
rocket
The fighter plane began it's inexorable journey to destruction after being hit by a rocket.
rocket
It depends on how you're using it, but since this is in the science catergory, i would use it like this: The force of the rocket was greater than the force of gravity, so the rocket flew.
A rocket
Rocket.
Just as it appears in the question ... 'rocket'.
In the sentence "the ball shot straight up, into the air like a rocket", "like a rocket" is a simile. A simile is when something is like something else, but not the something else. This is a describing technique.So in this sentence, it means that the ball moved like a rocket would move.
Rocket oil
Yes, you can use the word launch in a sentence. The rocket was going to launch in less than 10 seconds. Those attending the launch will receive a copy of the report. The upcoming launch is at 7:30 P.M.