ELECTRICITY TESTOnline version A TEST ABOUT ELECTRICITY by Javier Garcia Luengo 1 ELECTRICITY IS THE FLOW OF... Written answer 2 HOW MANY PARTICLES ARE THERE IN AN ATOM? a 1 b 2 c 3 d 4 3 PROTONS HAVE A __________ CHARGE. Written answer 4 ELECTRONS HAVE A __________ CHARGE. Written answer 5 NEUTRONS HAVE A POSITIVE CHARGE. a TRUE b FALSE 6 THE NUMBER OF PROTONS DEFINES THE DIFFERENT CHEMICAL ELEMENTS. a TRUE b FALSE 7 AN ATOM CAN LOSE PROTONS. a TRUE b FALSE 8 AN ATOM CAN LOSE ELECTRONS. a TRUE b FALSE 9 WHEN MATERIALS __________ TOGETHER, THEY CAN LOSE OR GET ELECTRONS. Written answer 10 A BALANCED ATOM IS AN ATOM WITH THE SAME NUMBER OF ELECTRONS AND PROTONS. a TRUE b FALSE 11 AN UNBALANCED ATOM IS AN ATOM WITH THE SAME NUMBER OF ELECTRONS AND PROTONS. a TRUE b FALSE 12 CONDUCTORS __________ ELECTRONS EASY. Written answer 13 METALS ARE __________ ELECTRICAL CONDUCTORS. Written answer 14 __________ HOLD THEIR ELECTRONS VERY TIGHTLY. Written answer 15 PEOPLE ARE __________ ELECTRICAL INSULATORS. Written answer 16 WE OBTAIN AN ELECTRIC CURRENT WHEN WE CAN __________ THE ELECTRONS. Written answer 17 IN WHICH ELECTRIC CURRENT DO ELECTRONS MOVE IN THE SAME DIRECTION? a DIRECT CURRENT b ALTERNATING CURRENT 18 IN WHICH ELECTRIC CURRENT DO ELECTRONS REVERSE DIRECTION CONSTANTLY? a DIRECT CURRENT b ALTERNATING CURRENT 19 DIRECT CURRENT IS GENERATED BY... Choose one or more answers a POWER PLANTS b BATTERIES c SOLAR PANELS d THE SUN 20 DIRECT CURRENT IS USED IN... Choose one or more answers a TOYS b SMALL GADGETS c OVENS d FRIDGES 21 ALTERNATING CURRENT IS WIDELY USED BECAUSE IT IS VERY EASY TO... Written answer 22 ALTERNATING CURRENT IS USED IN... Choose one or more answers a TOYS b SMALL GADGETS c OVENS d FRIDGES 23 AN ELECTROMAGNET WORKS IN THE SAME WAY AS A NATURAL MAGNET. a TRUE b FALSE 24 AN ELECTROMAGNET IS A MAGNET THAT YOU CAN... a EAT b SWITCH ON AND OFF c WRITE WITH IT d PLAY FOOTBALL WITH IT 25 WHERE CAN WE FIND ELECTROMAGNETS? Choose one or more answers a IN SPEAKERS b IN PENCILS c IN DOORBELLS d IN BOOKS 26 WHAT IS A FUSE BOX? a A BOX FULL OF PRESENTS b A BOX FULL OF CANDIES c A BOX THAT CAN CONTROL ELECTROMAGNETISM d THE PLACE WHERE ELECTRICITY ENTERS OUR HOUSE 27 WHAT IS THIS? a A FUSE BOX b A SWITCH c A SOCKET 28 WHAT IS THIS? a A FUSE BOX b A SWITCH c A SOCKET 29 WE CAN TREAT ILLNESSES USING ELECTRICITY. a TRUE b FALSE 30 WE CAN'T PAINT A CAR USING ELECTRICITY. a TRUE b FALSE 31 WE CAN REMOVE POLLUTION USING ELECTRICITY. a TRUE b FALSE 32 THE MAIN COMPONENTS IN A CIRCUIT ARE... Choose one or more answers a A BATTERY b WIRE c A FRIDGE d A CHAIR e A SWITCH f A LIGHT BULB 33 AN ELECTRIC CIRCUIT IS A __________ WHERE ELECTRONS CAN FLOW. Written answer 34 THERE ARE 3 TYPES OF CIRCUITS:... Choose one or more answers a PARALLEL b DIRECT c ALTERNATING d SIMPLE e SERIES f ELECTROMAGNETIC 35 A SIMPLE CIRCUIT HAS... a 1 LOOP AND 1 LIGHT BULB b 2 LOOPS AND 1 LIGHT BULB c 1 LOOP AND 2 LIGHT BULBS d 2 LOOPS AND 2 LIGHT BULBS 36 A SERIES CIRCUIT HAS... a 1 LOOP AND 1 LIGHT BULB b 2 LOOPS AND 1 LIGHT BULB c 1 LOOP AND 2 LIGHT BULBS d 2 LOOPS AND 2 LIGHT BULBS 37 A PARALLEL CIRCUIT HAS... a 1 LOOP AND 1 LIGHT BULB b 2 LOOPS AND 1 LIGHT BULB c 1 LOOP AND 2 LIGHT BULBS d 2 LOOPS AND 2 LIGHT BULBS 38 CAN ELECTRICITY FLOW IN A SIMPLE CIRCUIT IF THERE IS A GAP? a YES b NO 39 CAN ELECTRICITY FLOW IF THERE IS A GAP IN A SERIES CIRCUIT? a YES b NO 40 CAN ELECTRICITY FLOW IF THERE IS A GAP IN A PARALLEL CIRCUIT? a YES b NO
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