EDUCATION
   
 
EDUCATION :- English :- How Things Work
 
HOW DOES AN ESCALATOR TRANSPORT PEOPLE FROM ONE FLOOR TO ANOTHER ?
HOW DO HELICOPTERS STAY ALOFT IN THE AIR ?
HOW DOES A LASER WORK ?
HOW DOES A PROJECTOR SHOW PICTURES ON SCREEN ?
HOW DOES A RECORD PLAYER MAKE MUSIC ?
HOW DOES A RIFLE FIRE A SHOT ?
HOW DO ROCKETS GET INTO SPACE ?
HOW DOES A SOLAR CELL PRODUCE ELECTRIC CURRENT ?
HOW DOES A SOLAR COOKER COOK FOOD ?
HOW DOES A SONAR UNIT WORK ?
HOW DOES AN AEROPLANE GET INTO THE AIR ?
WHAT TASKS DO ARTIFICIAL SATELLITES PERFORM ?
HOW DO AUDIO TAPE RECORDERS WORK ?
HOW DOES AND AUDIO TAPE RECORDER RECORD SOUND ?
WHAT MAKES A BICYCLE GO ?
HOW DOES A CAMERA TAKE A PICTURE ?
WHAT MAKES A CAR RUN ?
HOW TO DETERGENTS CLEAN ?
HOW DOES AN ELECTRIC BULB GIVE LIGHT ?
HOW DOES AN ELECTRIC LIFT WORK ?
HOW DOES A DOOR LOCK WORK ?