APPLE
NAME 2 DEVICES THAT HAVE A COIL, A MAGNET, CONES, AND WIRES
SPEAKER
HEADPHONES
WEIGHT IS A MEASURE OF __________
FORCE
WHEN WE MOVED MAGNETS WITH OPPOSING FORCES CLOSER TO A MAGNET ON A SCALE, THE PATTERN SHOWED ____________ IN WEIGHT
AN INCREASE
BONUS - EXTRA 500 POINTS FOR CORRECT ANSWER
WHAT HAPPENS IN A CIRCUIT WHEN YOU FLIP THE COIL OR BATTERY?
IT CHANGES THE DIRECTION OF CURRENT FLOW
HOW DO LED BULBS INDICATE A CHANGE IN CURRENT FLOW DIRECTION?
USING RED AND GREEN LIGHTS THAT CHANGE WHEN THE CURRENT CHANGES
DROPPING A GLASS, WHICH MAKES IT BREAK, IS CALLED __________________
CAUSE AND EFFECT
INSTEAD IF A WIRE CONNECTED TO A COMPUTER, WIRELESS HEADPHONES USE _________
A BATTERY
LARGE SPEAKERS NEED _____________ TO PRODUCE LOUDER SOUNDS
AN AMPLIFIER
WHEN MAGNETS CAUSE AN OBJECT TO FLOAT OR HOVER, IT IS CALLED _______________
MAGNETIC LEVETATION
HOW DOES THE ELECTRIC CURRENT FROM THE BATTERY MAKE THE WHEELS OF AN EV CAR TURN?
AN ELECTRIC MOTOR
A DIGITAL SCALE CAN BE USED TO MEASURE THE FORCE THAT SOMETHING EXERTS DOWNWARD DUE TO ___________
GRAVITY
WHAT DO JUNKYARD CRANES, MAGLEV TRAINS, AND EV CARS HAVE IN COMMON?
THEY ALL USE ELECTROMAGNETS
WHERE DO MAGLEV TRAINS GET THEIR NAME?
FROM COMBINING THE FIRST PARTS OF THE WORDS "MAGNET" AND "LEVETATION"
MAGLEV TRAINS ARE VERY FAST DUE TO _________
LITTLE FRICTION
WHEN CURRENT CHANGES FROM LOW FREQUENCY TO HIGH FREQUENCY, THE LED LIGHT BECOMES _______
ORANGE
ATTRACTIVE AND REPULSIVE FORCES BETWEEN THE MAGNET AND THE COIL LEAD TO _____________
VIBRATIONS IN THE SPEAKER
WHEN MEASURING THE FORCE OF OPPOSING MAGNETS WITH A SCALE, THE SCALE WILL SHOW A _____________ READING
POSITIVE
AN AMPLIFIER IS A DEVICE THAT CAN INCREASE ______________
ELECTRIC CURRENT
HOW DO COMPUTERS MAKE DIFFERENT SOUNDS?
REPEATEDLY CHANGING THE POLARITY OF THE ELECTRIC CURRENT
THE STRONGEST MAGNET MADE IS ____________
AN ELECTROMAGNET
WHICH PART OF THE SPEAKER PRODUCES SOUND?
ELECTROMAGNET VIBRATING
DAILY DOUBLE - GET DOUBLE POINTS FOR CORRECT ANSWER
PULSES OF RADIO WAVES FOUND IN WIRELESS HEADPHONES ARE CALLED _________
BLUETOOTH
STRONGER FORCES WILL TRANSFER MORE ENERGY, WHICH CAUSES THE _____________ TO MOVE FASTER
ELECTROMAGNET COIL
____________FORCES PULL A MAGLEV TRAIN DOWN THE TRACKS
ATTRACTIVE
HOW FAST CAN A COMPUTER SOUND CARD CHANGE THE DIRECTION AND THE AMOUNT OF ELECTRICAL CURRENT?
ABOUT 100,000 HZ