Internet is a world-wide network of interconnected computer networks and other devices. It provides us with a very easy, fast and convenient way to access any type of information. It uses the standard Internet Protocol (TCP/IP).
1. To access any educational site example : khan academy.
2. To send and receive emails using an email service.
The world wide web, or web for short, are the pages you see when you're at a device and you're online whereas the internet is the network of connected computers that the web works on.