Chemistry is the science that studies the composition, structure and properties of matter and the changes that occur during chemical reactions. Answer a few questions to see how good you really are in Chemistry?
Would you say, you know a lot about space and our solar system? Well I suggest you put your money where your clicking finger is and go through the quick questioner.
Fish are vertebrates, which are adapted to life in the aquatic environment. Fish are the most numerous group of vertebrates. The number of different species of fish is almost as much as all other vertebrates together.
The periodic table is a tabular arrangement of the chemical elements, organized on the basis of their atomic numbers, electron configurations (electron shell model), and recurring chemical properties.
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.
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.
Manyof uscan't imagine lifewithout a mobile phone.We can saythatmobile telephonyis developingwith the speed of light.But how muchdo you really knowabout the history ofthe development ofmobile phones?
Insects are among the most diverse groups of animals on the planet, including more than a million described species and representing more than half of all known living organisms.
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.
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.
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.
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.
