World Scholar’s Cup - Science Exam
Questions Well Detailed Correctly 2025
Latest Solution
Cathode, Electrolyte, Anode (Top to bottom). Creates energy through attraction of charges - ANSWER ✔
- Batteries
Converts chemical energy to electrical energy - ANSWER ✔ - Discharge
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 - ANSWER ✔ - Wireless Charging
Explodes due to overheating a small filament. Most likely are Lithium batteries - ANSWER ✔ - Exploding
Batteries
Can store 20x more charge than normal batteries - ANSWER ✔ - Silicon Anode
Can charge more but can explode - ANSWER ✔ - Lithium Metal
Uses EXO electrogens (Bacteria) to get energy. Harness the energy through paper. Energy from cellular
respiration. - ANSWER ✔ - Bacteria Battery
Current flows none stop left to right - ANSWER ✔ - Direct Current
Current flows forward then stops a little repeated. Better for long distance - ANSWER ✔ - Alternate
Current
, Due to low copper from ww2 changed plugs to use less copper - ANSWER ✔ - British Plugs
Uses liquid to cool down air that is then sent out afterwards - ANSWER ✔ - Air Conditioning
Takes air from outside, heats it over chemical "propane" and sends out air again. - ANSWER ✔ - Heating
Heating as accounts for 7 - 10% of greenhouse gasses - ANSWER ✔ - Which is worse, heating or cooling?
Takes in air and removes dust and particles - ANSWER ✔ - Air Purifier
Removes dust through magnetic from the air - ANSWER ✔ - Activated Carbon (Air Purifier Method)
Makes dust stick to ground and out of air - ANSWER ✔ - Ionizing Purifier
Takes care of cleaning and folding clothes, releases in 2020 - ANSWER ✔ - Foldimate
Invented in 1860, sucks up dust using centrifugal separation - ANSWER ✔ - Vaccum Cleaner
Spraying hot water on a grid to clean dishes. First invented in 1850 - ANSWER ✔ - Dishwashers
Automated Machinery that assist in house work - ANSWER ✔ - Home Robots
Uses electromagnetic radiation to heat up water molecules in food - ANSWER ✔ - Microwaves
Heats up a metal grid and toasts the bread. Uses 80/20 Nichrome for the metal - ANSWER ✔ - Toasters
Uses a fan to circulate hot air over food - ANSWER ✔ - Convection Oven
Questions Well Detailed Correctly 2025
Latest Solution
Cathode, Electrolyte, Anode (Top to bottom). Creates energy through attraction of charges - ANSWER ✔
- Batteries
Converts chemical energy to electrical energy - ANSWER ✔ - Discharge
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 - ANSWER ✔ - Wireless Charging
Explodes due to overheating a small filament. Most likely are Lithium batteries - ANSWER ✔ - Exploding
Batteries
Can store 20x more charge than normal batteries - ANSWER ✔ - Silicon Anode
Can charge more but can explode - ANSWER ✔ - Lithium Metal
Uses EXO electrogens (Bacteria) to get energy. Harness the energy through paper. Energy from cellular
respiration. - ANSWER ✔ - Bacteria Battery
Current flows none stop left to right - ANSWER ✔ - Direct Current
Current flows forward then stops a little repeated. Better for long distance - ANSWER ✔ - Alternate
Current
, Due to low copper from ww2 changed plugs to use less copper - ANSWER ✔ - British Plugs
Uses liquid to cool down air that is then sent out afterwards - ANSWER ✔ - Air Conditioning
Takes air from outside, heats it over chemical "propane" and sends out air again. - ANSWER ✔ - Heating
Heating as accounts for 7 - 10% of greenhouse gasses - ANSWER ✔ - Which is worse, heating or cooling?
Takes in air and removes dust and particles - ANSWER ✔ - Air Purifier
Removes dust through magnetic from the air - ANSWER ✔ - Activated Carbon (Air Purifier Method)
Makes dust stick to ground and out of air - ANSWER ✔ - Ionizing Purifier
Takes care of cleaning and folding clothes, releases in 2020 - ANSWER ✔ - Foldimate
Invented in 1860, sucks up dust using centrifugal separation - ANSWER ✔ - Vaccum Cleaner
Spraying hot water on a grid to clean dishes. First invented in 1850 - ANSWER ✔ - Dishwashers
Automated Machinery that assist in house work - ANSWER ✔ - Home Robots
Uses electromagnetic radiation to heat up water molecules in food - ANSWER ✔ - Microwaves
Heats up a metal grid and toasts the bread. Uses 80/20 Nichrome for the metal - ANSWER ✔ - Toasters
Uses a fan to circulate hot air over food - ANSWER ✔ - Convection Oven
