Millions of years ago, all the continents were merged in one large land mass known as Pangea. This was about 250 million years ago. They gradually began to drift apart and formed the separate continents that we are familiar with today. The formation of separate continental land masses changed the flow of ocean currents and winds, and isolated Antarctica. This continental drift leads to climate change, as it brings about a change in the...

Ever wondered… What is weather? What is climate? Can we use the terms ‘climate’ and ‘weather’ interchangeably? Why do seasons change? Why is it that we have winters in United States during Christmas and summers in Australia during the same time?Let us watch this video by NASA and explore the answers.From this video, we can conclude that Weather is the fluctuating state of the atmosphere around us, characterized by...