1) What useful energy transfer does this do? a) energy => electricity b) heat => electricity c) light => electricity d) electrical => light e) light => heat f) light => electrical 2) 100J of electrical energy go into a bulb, 20J are converted to light. How many are transferred as heat? a) 20J b) 40J c) 60J d) 80J e) 100J f) 120J 3) What do we measure energy in when we are in science? a) Calories b) Units c) Joules d) Amps e) Volts f) Metres 4) 200J of chemical energy are in a candle. 20J are transferred as light. What is the efficiency of the candle? a) 10% b) 20% c) 40% d) 60% e) 80% f) 100% 5) 100J of electrical energy enters a light bulb. 80% of that energy is wasted as heat. How many joules of energy are transfered as light? a) 10J b) 20J c) 30J d) 40J e) 50J f) 60J 6) 500J of electrical energy is transferred to a laptop. What is the waste energy? a) Kinetic b) Heat c) Light d) Sound e) Magnetic 7) 500J of electrical energy is transferred to a laptop. 150J is wasted. What is it's efficiency? a) 40% b) 50% c) 60% d) 70% e) 80% f) 90% 8) What type of energy is the input energy for a coal power station? a) Kinetic b) Heat c) Chemical d) Sound e) Gravity f) Thermal 9) What is the useful energy transfer for a hydroelectric dam? a) Chemical => Sound b) Gravitational => Electrical c) Kinetic => Sound d) Voltage => Current e) Elastic => kinetic f) Chemical => Electrical 10) What is the useful energy transfer in a nuclear reactor? a) Nuclear > heat b) Nuclear > sound c) Nuclear > chemical d) Electrical > Nuclear e) Electrical > sound f) Electrical > heat 11) Which of these is most efficient? a) A filament light bulb b) An energy saving light bulb 12) Which is the odd one out? a) Solar b) Hydroelectric c) Geothermal d) Coal e) Wind turbine f) Wave power 13) Which is the odd one out? a) Coal power station b) Oil power station c) Gas power station d) Wood power station e) Nuclear power station 14) What is the useful output energy from a solar panel? a) Electrical b) Light 15) Which of these affects breaking distance? a) Being on drugs b) Being drunk c) Being tired d) Driving fast e) Talking on the phone f) Having an argument 16) Which of these affects thinking distance? a) Having a heavy car b) Having a light car c) Being drunk d) Icy roads e) Fog f) Wet roads 17) Which of these does not affect braking distance? a) Wet roads b) Icy roads c) Driving fast d) Worn tyres e) Worn brakes f) Feeling tired 18) How do you calculate speed? a) S= D X T b) S = T/D c) S = D/T d) S = T X D
0%
Energy sources RCx
공유
공유
공유
만든이
Robertcruxon
KS4
Physics
Science
더 보기
콘텐츠 편집
퍼가기
더보기
순위표
더 보기
접기
이 순위표는 현재 비공개입니다.
공유
를 클릭하여 공개할 수 있습니다.
자료 소유자가 이 순위표를 비활성화했습니다.
옵션이 자료 소유자와 다르기 때문에 이 순위표가 비활성화됩니다.
옵션 되돌리기
퀴즈
(은)는 개방형 템플릿입니다. 순위표에 올라가는 점수를 산출하지 않습니다.
로그인이 필요합니다
비주얼 스타일
글꼴
로그인이 필요합니다
옵션
템플릿 전환하기
모두 표시
액티비티를 플레이할 때 더 많은 포맷이 나타납니다.
결과 열기
링크 복사
삭제
자동 저장된
게임을 복구할까요?