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.
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.
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.
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?
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.
Alfred B. Nobel was a Swedish chemist, engineer, innovator, and armaments manufacturer. Go through this short quiz and build up your Dreevoo knowledge score.
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.
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 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.
CERN is an international organization whose purpose is to operate the world's largest particle physics laboratory. Go through the short quiz and build up your Dreevoo knowledge score.
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.
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?