HOW DOES ELECTRICITY CREATE MAGNETISM? HOW DOES MAGNETISM PRODUCE ELECTRICITY? WHAT DO GENERATORS DO? ELECTRIC MOTORSFIND OUT MOREAn electric current produces magnetism, and a magnet can produce an…
WHAT IS AN ELECTRIC SIGNAL? WHAT ARE ELECTRONIC COMPONENTS? WHAT IS A TRANSISTOR? SEMICONDUCTORSFIND OUT MOREElectronic circuits operate nearly every modern machine—microwave ovens, cars, and…
HOW MANY ELEMENTS ARE THERE? WHICH ARE THE MOST COMMON ELEMENTS? METALSPERIODIC TABLEFIND OUT MOREA substance made up of one kind of atom is an element. Gold is an element because it only contains…
WHAT FORMS CAN ENERGY TAKE? HOW DOES ENERGY CHANGE FORM? DOES ENERGY GET USED UP? KINETIC JOULES FIND OUT MORE
Without energy, the world would be lifeless, dark, and still. When…
WHAT IS A HEAT ENGINE? WHAT IS AN INTERNAL COMBUSTION ENGINE? HOW DOES A STEAM ENGINE WORK? HOW DOES A JET ENGINE WORK? GASOLINE ENGINEBIOGRAPHY: FRANK WHITTLE English, 1907-1996 TURBINESFUEL…
WHAT CAN FORCES DO? HOW CAN YOU MEASURE A FORCE? WHAT ARE BALANCED FORCES? GRAVITYFIND OUT MOREWhen you strike a ball with a bat, stretch a rubber band, or lift a suitcase, you are applying a force.…
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…
