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Energy and Mass

Quiz by Katrina Pucci

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21 questions
Show answers
  • Q1
    Which unit is commonly used to measure the energy content of food?
    watt
    kilograms
    calorie
    volt
    30s
  • Q2
    What is the energy conversion factor between calories and kilojoules?
    1.609
    4.184
    8.987
    0.239
    30s
  • Q3
    Which unit is larger, a calorie or a kilojoule?
    kilojoule
    calorie
    microjoule
    millijoule
    30s
  • Q4
    A chocolate bar contains 230 calories. What is the energy content of the chocolate bar in kilojoules?
    576.84
    328.71
    46.19
    962.32
    30s
  • Q5
    What is the energy equivalent of 1 kilocalorie?
    1.609
    4.184
    0.239
    8.987
    30s
  • Q6
    A person burns 1500 kilojoules during a workout. What is the energy content in calories?
    1290.45
    645.89
    358.02
    924.61
    30s
  • Q7
    Which unit is commonly used to measure power?
    Kilograms
    Calories
    Watts
    Joules
    30s
  • Q8
    What is the equivalent of 5000 watts in kilowatts?
    50
    0.5
    500
    5
    30s
  • Q9
    A lightbulb consumes 60 watts of power. What is its power consumption in kilowatts?
    0.006
    6
    0.06
    0.6
    30s
  • Q10
    A wind turbine produces 2 megawatts of power. What is its power production in kilowatts?
    20000
    20
    2000
    200
    30s
  • Q11
    A device with a power rating of 1000 watts is used for 2 hours. How much energy is consumed in kilowatt-hours?
    2 kilowatt-hours
    1 kilowatt-hour
    3 kilowatt-hours
    4 kilowatt-hours
    30s
  • Q12
    A household appliance has a power rating of 1500 watts. If it is used for 5 hours, how much energy is consumed in kilowatt-hours?
    7.5 kilowatt-hours
    1.5 kilowatt-hours
    3 kilowatt-hours
    10 kilowatt-hours
    30s
  • Q13
    A light bulb has a power rating of 60 watts. If it is used for 4 hours per day, how much energy is consumed in kilowatt-hours over 30 days?
    2.5 kilowatt-hours
    15 kilowatt-hours
    10 kilowatt-hours
    7.2 kilowatt-hours
    30s
  • Q14
    A refrigerator has a power rating of 150 watts and is used for 24 hours per day. How much energy does it consume in kilowatt-hours over the course of a week (7 days)?
    25.2 kilowatt-hours
    50 kilowatt-hours
    100 kilowatt-hours
    3.5 kilowatt-hours
    30s
  • Q15
    A microwave oven has a power rating of 800 watts. If it is used for 10 minutes, how much energy is consumed in kilowatt-hours?
    0.08 kilowatt-hours
    0.5 kilowatt-hours
    0.133 kilowatt-hours
    0.25 kilowatt-hours
    30s

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