The Sun is a medium-sized star at the center of our solar system. And like most of the matter in the universe, it is neither solid, liquid or gas, but a very, very hot ionized plasma with the temperature of 15 million degrees Celsius in its core and 6,000 degrees at the surface.
So what would happen if you were to bring a tiny piece of the Sun to Earth? The short answer is you die. And the long answer – it depends which piece of the Sun. Watch this video by Kurzgesagt.