WHAT IS GENETIC VARIATION? HOW CAN WE MANIPULATE GENES? GM FOODCLONESSTEM CELLSFIND OUT MOREGenetic engineering is the manipulation of genes of living things. Scientists can now insert genes from…
WHAT IS THE GENETIC CODE? WHAT IS A GENOME? BIOGRAPHY: FRANCIS CRICK English, 1916- JAMES WATSON American, 1928- HUMAN GENOME PROJECTDNA FINGERPRINTFIND OUT MOREGenetics is the study of how living…
HOW DOES HEAT FLOW? WHAT ARE THE THREE TYPES OF HEAT TRANSFER? CAN WE SEE HEAT? TEMPERATURETHERMOMETERSTHERMAL INSULATORSFIND OUT MOREEverything around us contains heat. Heat is a form of energy—…
WHAT ARE PRIMARY INDUSTRIES? WHERE ARE INDUSTRIES LOCATED? WHAT IS A COTTAGE INDUSTRY? RAW MATERIALSFIND OUT MOREIndustry is a general term meaning the businesses and organizations that provide…
HOW DOES THE INTERNET WORK? WHAT IS THE WORLD WIDE WEB? WHAT IS HYPERTEXT? BIOGRAPHY: TIM BERNERS LEE British, 1955- MARC ANDREESSEN American, 1971-SEARCH ENGINESFIND OUT MOREThe global computer…
WHAT DOES A LENS DO? WHAT IS THE DIFFERENCE BETWEEN A MICROSCOPE AND A TELESCOPE? CONVEX LENSCONCAVE LENSFIND OUT MOREWhen you look through a magnifying glass, or take a picture with a camera, you…
WHAT IS LIGHT? HOW DOES LIGHT TRAVEL? WHAT ARE SHADOWS? WHAT MAKES SOME MATERIALS OPAQUE? REFLECTIONREFRACTIONLASERFIND OUT MORELight is a type of energy known as electromagnetic radiation. It is…
WHAT IS MECHANICAL ADVANTAGE? HOW IS A MACHINE’S EFFICIENCY MEASURED? LEVERSPULLEYSINCLINED PLANESGEARSFIND OUT MOREFrom can openers to cranes, machines make work easier. Simple machines include…
WHAT ARE MAGNETIC POLES? WHAT ARE MAGNETIC MATERIALS? HOW DOES A MAGNETIC COMPASS WORK? MAGNETIC DOMAINSMAGNETIC FIELDFIND OUT MOREMagnetism is an invisible force that attracts or repels some…
WHERE DO NEW PRODUCTS COME FROM? WHAT IS MASS PRODUCTION? BIOGRAPHY: HENRY FORD American, 1863–1947 PRODUCTION LINEFIND OUT MOREFrom ankle socks to aircraft, almost everything we use has been…
