Loading
by BlastRoom
Practice household energy calculations, electricity-saving strategies, and comparisons of energy sources.
#energy_sources#matatag_science_10
20 questions
One question set, multiple game modes. Tap any game to see it in action. Not sure which to pick?
How do you calculate an appliance's electrical energy use from its power rating and operating time?
Liza uses a 1200 W toaster for 30 minutes daily on 20 days. How much electrical energy does it use?
An appliance draws 1200 W for 2 hours daily over 30 days. At PHP 12 per kWh, what is its electricity cost?
A 500 W air conditioner runs for 4 instead of 8 hours daily for 30 days. Assuming constant power and PHP 15 per kWh, how much money is saved?
The meters show a household's readings at the beginning and end of a billing period. How much electrical energy was used?
Use the table. Assuming each appliance draws its listed power throughout operation, which uses the most electrical energy per day?
Assume a 350 W refrigerator draws its rated power continuously for 30 days. How much electrical energy does it use?
Which pair belongs in the same energy-resource category as flowing water?
What energy input do the rooftop devices shown convert directly into electricity?
Which statement correctly relates wind's renewability to the reliability of electricity generation by the turbines shown?
Where does the energy driving the illustrated plant originally come from?
How is uranium used for electricity generation classified as an energy resource?
Which gas released when a coal-fired plant burns its fuel contributes to global warming?
Which environmental change is most directly caused by filling a new hydropower reservoir?
Which material can serve as an energy source from recently living organisms?
How does the radioactivity of spent nuclear fuel change during storage?
A classroom's 40 W lamps run for 5 hours daily. Using daylight cuts their operating time to 3 hours. What percentage of their daily lighting energy use is saved?
Two fans provide the same cooling and operate for the same duration. Which uses less electrical energy?
Why can rooftop photovoltaic panels lower a household's electricity bill without changing how it uses its appliances?
Which effect of using less fossil-fuel electricity most directly reduces global warming?
Crack the passcode before the zombies get in.
Pick a tile, answer, hit bonuses and steals.
Term 3 Summative Review 1
40 questions
