The shell or crust of the earth is broken up into many pieces which fit into each other like a jigsaw puzzle.
These pieces are known as tectonic plates.
The Indian (tectonic) plate collided with the Eurasian (tectonic) plate and thus Himalayas were created.
It is the way of measuring the amount of heat in a place or on the body.
For example: This summer, the day temperatures were very high.
In a game or Quiz, whenever two or more teams get the same number of points it is said to be a tie. However, only one of them can be declared as the winner. In such a case, there is an extra round which decides who will be the winner. This extra round is called the Tie - breaker.
For Example: When England and New Zealand both scored 241 runs in the World cup final, Each team was given an extra over as a tie breaker.