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.
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?
Morse code is a method of transmitting text information as a series of on-off tones, lights, or clicks that can be directly understood by a skilled listener or observer without special equipment.
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 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.
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.
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.
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.
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.
The word 'animal' comes from the Latin word animalis, meaning 'having breath'. Answer a few questions from the wonderful world of animals and build up your Dreevoo knowledge score.
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.
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.
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.
