How does a match stick be lit up with a magnifying glass?

It is actually possible to lit up a matchstick with a magnifying glass.
When we focus the light rays at one particular point of the magnifying glass, and it will pass through, reaching on the tip of the matchstick.
The heat and friction caused by the light rays will heat up the matchstick.

Matchstick is made up of solidified mixture of flammable chemicals.
The matchstick is able to light up because,the friction caused generates enough heat to ignite the chemical and produce a small flame.