WHAT IS A MEASUREMENT SCALE? WHO MADE THE FIRST MEASUREMENTS? HOW ARE MEASUREMENT UNITS FIXED? FIND OUT MOREHow big is an ant? How high is a mountain? An observation of a property (characteristic)…
WHAT DO MICROCHIPS DO? HOW ARE MICROCHIPS MADE? WHAT IS BINARY CODE? LOGIC GATESFIND OUT MOREA microchip is an electronic device built as a single unit from many miniature components—mainly…
WHAT IS THE DIFFERENCE BETWEEN A MIXTURE AND A COMPOUND? DO SOLIDS, LIQUIDS, AND GASES MIX? WHY IS IT EASIER TO MIX THAN TO SEPARATE? SOLUTIONDIFFUSIONFIND OUT MOREA mixture is a jumble of…
WHAT IS ACCELERATION? HOW IS SPEED MEASURED? FRICTIONFIND OUT MOREFrom molecules in this sheet of paper, to planets in orbits, the objects around us are in constant motion. The simplest motion is…
WHAT IS A NANOMACHINE? WHAT IS SELF-ASSEMBLY? ARE THERE ANY DANGERS ASSOCIATED WITH NANOTECHNOLOGY? CARBON COMPUTERFIND OUT MOREA nanometer is one billionth of a meter. This is about a million…
WHAT IS THE TRAVELING SALESMAN PROBLEM? FIND OUT MOREA network is formed when people, places, or things are linked together. A rail network links towns and cities. A computer network links…
WHAT CAN ROBOTS DO? HOW DO ROBOTS SENSE? ARTIFICIAL INTELLIGENCEFIND OUT MORERobots are automatic machines. Some robots can perform mechanical and repetitive jobs faster, more accurately, and more…
HOW ARE SOUNDS MADE? HOW DO MUSICAL INSTRUMENTS MAKE MUSIC? WHY ARE SOUNDS DIFFERENT? WHAT IS RESONANCE? SOUND FREQUENCY SOUND WAVESDIGITAL SOUNDFIND OUT MOREOur world is full of sounds. Sound is…
COMMUNICATIONS SATELLITE HOW DOES A TELEPHONE WORK? HOW DOES A RADIO WORK? HOW DOES A TELEVISION WORK? HOW DOES A CELL PHONE WORK? BIOGRAPHY: GUGLIELMO MARCONI Italian, 1874-1937 ELECTROMAGNETIC…
WHAT IS A TRANSPORTATION SYSTEM? HOW EFFICIENT ARE DIFFERENT FORMS OF TRANSPORTATION? WHAT IS A SCIENTIST’S ROLE IN TRANSPORTATION? HOW ARE AIRCRAFT CONTROLLED IN THE AIR? CONGESTIONFREIGHTROAD…
