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DK Science: Pressure

AIR PRESSUREWATER PRESSUREFIND OUT MOREWhen you press or push something, the force you apply is called pressure. Pressure is measured as the force you use divided by the area over which you use…

DK Science: Sound

PERSONAL VOICEPRINTWAVE MAKERCONVERSATION IN SPACESPEED OF SOUNDFIND OUT MOREWhat would our world be like without sound? Complete silence might seem peaceful, but there would be no speech, music…

DK Science: Genetics

LOCATION OF CHROMOSOMES CHROMOSOME STRUCTURE DNA DOUBLE HELIX CHROMOSOME SET GENES INHERITANCE FIND OUT MORE Genetics is the study of the instructions, contained in cells, for how our…

DK Science: Light

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…

DK Science: Mars

THE MOONS OF MARSFIND OUT MOREThe fourth planet from the Sun, Mars is one of Earth’s closest neighbours. Mars has a slight atmosphere (mainly carbon dioxide), and ice caps at the poles.…

DK Science: Nitrogen

LIQUID NITROGENLIGHTNINGFERTILIZING SOILEXPLOSIVESNITROGEN CYCLEFIND OUT MORENitrogen is needed to make proteins, which are vital to life. Plants and animals recycle nitrogen through the air and…

DK Science: Plastics

INSULATING PLASTICINJECTION MOULDINGCOMMON PLASTICSPOLYMERSFIND OUT MOREPlastics are used to make a wide range of materials, including furniture, computers, and toys. Plastics are not found in…

DK Science: Supercomputers

FORECASTING A HURRICANEFIND OUT MOREA supercomputer is a computer that works thousands of times faster than the best desktop personal computer. It does this by combining many processors together…

DK Science: Insects

CLASS: INSECTAFIND OUT MOREAn insect’s body divides into three sections. The head holds the eyes, antennae, and mouthparts. The thorax bears three pairs of jointed legs and two pairs of…

DK Science: Internet

PACKET SWITCHINGINTERNET ACCESSCONNECTING TO THE INTERNETEMAILWORLD WIDE WEBFIND OUT MOREThe Internet is a computer network covering the whole world. We can use it to search through three billion…