"Rocket nose cone" pretty much says it all, I really don't think there is another suitable name.
A perfect cone
no
Foam board or cardboard.
typically the nose cone is filled with a parachute to the rocket arrives on the ground safely.
It streamlines the nose, so the rocket flies faster.
You use fins and a nose cone on a bottle rocket because the cone reduces the drag on the rocket, and the fins help stabilize the rocket.
It streamlines the rocket and allows more speed.
It streamlines the nose.
nose cone
nose cone
A streamlined plastic nose cone.
Yes, so that it is more streamlined.