a volcanic bomb is a shooting star kinda thing at it shoots into the sky and burns out

This is called a volcanic bomb.

No. A crater is a circular depression in the ground formed by an impact or explosion. A volcano bomb is a blob of lava hurled out during a volcanic eruption.

10,000 times stronger.

Rocks ejected from a volcano are classed accorcing to size. Fragments less than a micron in diameter are volcanic dust. Volcanic ash are less than 2 mm diameter. Fragments between 2 and 64 mm diameter are called lapilli (Italian for little stones). A Volcanic bomb is Tiny particle of ejected rock less than 64 mm diameter.