X-rays are a form of invisible, high-frequency electromagnetic radiation. X-rays are very small and energetic. They are used in different branches of science.
Modern scientific big bang theory assumes that everything we see today from the Earth to the cosmic horizon, started out as a very small, hot and dense mixture of matter and energy.
Galileo Galilei often known as Galileo, was a physicist, mathematician, astronomer, and philosopher who played a major role in the Scientific Revolution. Check your general knowledge.
Put your space and general knowledge to a test by answering some questions covering the achievements of mankind in our galaxy and beyond. A simple and intuitive way to build up your knowledge profile.
Our planet is one of the kind in the solar system, too bad we sometimes tend to forget how unique it really is. Find out if you know some interesting and basic facts about the planet Earth.
Our body is the only thing we can say that it truly does belong to us, but that doesn't necesserily mean we are familiar with the way our organs and other tissues function. Find out if you know your body.
A Black hole is a place in space where gravity pulls so much that even light can not get out. They are one of the greatest mysteries in space. Take this quiz adn find out how much do you really know about Black holes!
Our beautiful, one and only home called Earth is called the Blue Planet for a reason. Vast oceans make it exceptional when observed from space. Find out how familiar you are with some of the world's oceans facts.
Scientist may be an expert in one or more areas of science. Some of them have decisively influenced on the development of mankind. Let see how many of them you know.
Super hero is a person or an animal that has some kind of super power. Everyone of us had at least one super hero in childhood. Let see how familiar are you with this super natural born movie characters.
Spiders are air-breathing arthropods that have eight legs and chelicerae with fangs that inject venom. Find out how well do you really know about this creepy and magnificent creatures.
The Milky Way is the galaxy that contains our Solar System. Its name "milky" is derived from its appearance as a dim glowing band arching across the night sky in which the naked eye cannot distinguish individual stars.
Science is a systematic enterprise that builds and organizes knowledge on diferent branches. In this knowledge check we have prepared for you a few general knowledge questions of science.