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Science - World Scholars Cup Questions and Answers 100% Correct | Updated 2024 $12.49   Add to cart

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Science - World Scholars Cup Questions and Answers 100% Correct | Updated 2024

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  • Course
  • WSC
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  • WSC

Science - World Scholars Cup Questions and Answers 100% Correct | Updated 2024

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  • August 25, 2024
  • 7
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • WSC
  • WSC
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Science - World Scholars Cup Questions and
Answers 100% Correct | Updated 2024
Batteries - ANSWER Cathode, Electrolyte, Anode (Top to bottom). Creates
energy through attraction of charges


Discharge - ANSWER Converts chemical energy to electrical energy


Wireless Charging - ANSWER Uses electromagnetic field that sends electrodes
to the battery. Done through two induction coils, one on each device. Electrodes
travel from one coil to another


Exploding Batteries - ANSWER Explodes due to overheating a small filament.
Most likely are Lithium batteries


Silicon Anode - ANSWER Can store 20x more charge than normal batteries


Lithium Metal - ANSWER Can charge more but can explode


Bacteria Battery - ANSWER Uses EXO electrogens (Bacteria) to get energy.
Harness the energy through paper. Energy from cellular respiration.


Direct Current - ANSWER Current flows none stop left to right


Alternate Current - ANSWER Current flows forward then stops a little repeated.
Better for long distance

, British Plugs - ANSWER Due to low copper from ww2 changed plugs to use less
copper


Air Conditioning - ANSWER Uses liquid to cool down air that is then sent out
afterwards


Heating - ANSWER Takes air from outside, heats it over chemical "propane"
and sends out air again.


Which is worse, Heating or Cooling? - ANSWER Heating as accounts for 7 - 10%
of greenhouse gasses


Air Purifier - ANSWER Takes in air and removes dust and particles


Activated Carbon (Air Purifier Method) - ANSWER Removes dust through
magnetic from the air


Ionizing Purifier - ANSWER Makes dust stick to ground and out of air


Foldimate - ANSWER Takes care of cleaning and folding clothes, releases in
2020


Vaccum Cleaner - ANSWER Invented in 1860, sucks up dust using centrifugal
separation

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