FIND OUT MORELakes form where water fills hollows in the landscape. Some of these hollows are formed by glaciers gouging into the ground, and some are created when river valleys are blocked…
HOLOGRAMLASER LIGHT SHOWFIND OUT MORESome beams of light are powerful enough to cut through metal. Others are precise enough to use for delicate surgery on people’s bodies. These remarkable…
CONTACT LENSCONCAVE AND CONVEX LENSESFRESNEL LENSSLIDE PROJECTORMAGNIFYING GLASSFIND OUT MOREA lens is a piece of transparent plastic or glass that can make things seem to change size. It works…
WAVES AND PARTICLESLIGHTHOUSETRANSMISSION OF LIGHTLIGHT SOURCESSHADOWSFIND OUT MORELight makes the world seem bright and colourful to our eyes. Light is a type of electromagnetic radiation that…
COHESIONVISCOSITYVOLUMEFIND OUT MOREAs water flows along a river, it constantly changes its shape to fit the space available. This is because water is a liquid, and liquids flow and do not have…
LOCATION OF THE LIVER LIVER LOBES AND BLOOD SUPPLY LIVER LOBULE THE GALL BLADDER FIND OUT MORE
The liver has many important jobs in the body. It produces the digestive juice bile and…
DECIBEL SCALEROCK MUSICNOISE CANCELLINGFIND OUT MORESome sounds are so loud they are painful to our ears; others are so quiet they may be hard to hear at all. Things that vibrate a lot, such as…
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.…
MAGNETIC MATERIALSATTRACTION AND REPULSIONMAGNETIC DOMAINSMAGNETIC FIELDFIND OUT MOREMagnetism is what gives magnets their ability to attract objects made of iron or steel. A magnet creates…
CLASS: MAMMALIADIVING PLATYPUSLEAPING DOLPHINFIND OUT MOREAll mammals are endothermic (warm-blooded), have some fur or hair on their body, and feed their young milk. They have a bony skeleton…
