Answer:
What is lighter than what it is made of?
What has a spot and is very bright, is sometimes, red, white, blue, yellow or green and is often blinding.
What goes with a car, comes with a car, is no use to a car but a car cannot move without it?
When young, I am sweet in the sun. When middle-aged, I make you gay. When old, I am valued more than ever.
I am black when I am clean and white when I am dirty?
A doctor might remove one from the neck of a Dracula victim.