FAMILY MEMBERSUNITED PROTECTIONCOLONIAL ORGANIZATIONFIND OUT MOREAnimals of the same animal species, living in the same area, and interbreeding with one another, are referred to as a population…
LEVERSWHEELSFIND OUT MOREPULLEYSSCREWSGEARSFIND OUT MOREIn science, a machine is any device that changes a force into a bigger or smaller force, or alters the direction in which a force acts.…
MINERAL PROPERTIES MINERALS IN ROCK CRYSTALS FIND OUT MORE
Minerals are the materials that make up the rocks of the Earth’s crust. Among thousands of different minerals, only a few,…
FILTER FEEDERAFRICAN LUNGFISHJAWLESS LAMPREYFISHFIND OUT MOREFish are water animals that evolved about 500 million years ago. They were the first animals to have an internal skeleton. Most fish…
DINOSAUR FOOTPRINTS FOSSILS FIND OUT MORE
The study of ancient life, known from FOSSILS, is called palaeontology and scientists who work in this field are known as palaeontologists. By…
AMPHIBIAWET FROGFROGSPAWNFIND OUT MOREAmphibians generally start life in water, but later change so that they can live on land. Most return to the water to mate. The life cycle involves…
THE GALILEAN MOONSJUPITER’S ATMOSPHEREJUPITER’S LIGHTSFIND OUT MOREJupiter is the biggest planet in our Solar System, eleven times bigger in diameter than Earth and two and a half times more…
BLUE PLANETNEPTUNE’S RINGSTRITON’S GEYSERSFIND OUT MOREAlmost the same size and colour as Uranus, Neptune orbits about 1.6 billion km (1.0 billion miles) further from the Sun than Uranus.…