catalog · all paths
All quizzes
Every published quiz on ThreeRoads.
- CA
Captain America: From Brooklyn to Wakanda
Ten questions about Steve Rogers: his origin, the Super-Soldier program, signature battles, allies, and iconic lines from comics and MCU films.
10 Q0 takes - IM
Iron Man: Origin, Armor & Key Moments
Ten questions on Tony Stark's origins, signature armors, supporting characters, and defining moments across comics and the MCU.
10 Q0 takes - MA
Major Avengers team appearances ordered by in-universe date
Pick which major Avengers team-up film or event happened earliest in the MCU internal timeline.
10 Q0 takes - MF
MCU films in in-universe chronological order (Infinity Saga start to Endgame)
Step through the MCU films in their in‑universe chronological order from the earliest Infinity Saga events up to Endgame — pick the next film in the timeline.
12 Q0 takes - ON
Official naming rationales for elements 101–118
For each element (101–118), select the official IUPAC naming rationale (person, place/organization, mythological/ancient term, or property/characteristic) cited when the element name was adopted.
12 Q0 takes - SG
Symbols-only: give symbols for 91–100
Select the correct chemical symbol for each element with atomic numbers 91–100.
10 Q0 takes - O(
Osmium (Os) — dense metal, compounds and safety
Ten questions on osmium (Z=76): its physical properties, common compounds (especially osmium tetroxide), uses, and safety/toxicity.
10 Q0 takes - T(
Tungsten (W) — high-melting metal and industrial chemistry
Ten questions on tungsten (Z=74): melting point, common oxidation states, key compounds (oxides, halides, carbides), historical filament use, alloys, and ore sources.
10 Q0 takes - L(
Lutetium (Lu) — properties, compounds and uses
Ten multiple-choice questions on lutetium (Z=71): atomic facts, chemistry, discovery, compounds, and principal uses.
10 Q0 takes - E(
Erbium (Er) — telecommunications and doping in fibers
Ten multiple-choice questions about erbium's role in fiber-optic amplification: atomic properties, why Er3+ is used, host materials, pump and emission wavelengths, and related concepts.
10 Q0 takes - N(
Neodymium (Nd) — magnets, alloys and spectral lines
Test your knowledge of neodymium: atomic facts, chemistry, spectral/laser roles, and major industrial uses.
11 Q0 takes - X(
Xenon (Xe) — noble gas compounds and applications
Ten questions on xenon's discovery, common compounds and oxidation states, and its major applications in lighting, anesthesia, and propulsion.
10 Q0 takes - I(
Iodine (I) — halogen behavior and biological roles
Ten multiple-choice questions on iodine's oxidation states, common compounds, biological roles, medical uses, and principal industrial production methods.
10 Q0 takes - T(
Tellurium (Te) — chalcogen chemistry in the heavy p‑block
Ten multiple-choice questions on tellurium: its oxidation states, common compounds, semiconductor uses, mineral occurrences, and name origin.
10 Q0 takes - I(
Indium (In) — electronics, alloys, and common compounds
Ten multiple-choice questions on indium's properties, ores, alloys, and industrial uses.
10 Q0 takes - S(
Silver (Ag) — compounds, conductivity, and photographic history
Ten multiple-choice questions about silver: its symbol, properties, important compounds, photographic uses, and common ores.
10 Q0 takes - T(
Technetium (Tc) — isotopes, medical uses, and discovery
Ten focused multiple-choice questions on technetium (Tc): its symbol, discovery, lack of stable isotopes, key radioisotopes (especially Tc-99m), production routes, decay modes, and medical imaging uses.
10 Q0 takes - ST
Scandium to Zinc: Element Symbols and Names (21–30)
Match element names and symbols for atomic numbers 21–30 (Sc through Zn). Questions alternate name→symbol and symbol→name.
10 Q0 takes - IU
Industrial Uses of Sodium–Calcium (11–20)
For each element (atomic numbers 11–20), pick the primary industrial application or major commercial use.
10 Q0 takes - ST
Sodium through Calcium: Element Names and Symbols (11–20)
Name the element with the given atomic number (11–20) or provide the correct chemical symbol when given the name.
10 Q0 takes - WC
World Capitals — Multiple-Choice Reverse
Given a capital city, pick the country it serves as the national capital for.
12 Q0 takes - TM
Transliteration Match: Latinized Local Names
Match the given Latin-alphabet transliteration (local-language form) to the correct capital city name in English.
12 Q0 takes - RF
Regional Former Capitals: Europe, Asia, Africa Comparisons
Choose the city that formerly served as the national seat for the given country (the country's modern capital is implied to be the current capital).
10 Q0 takes - FN
Former National Capitals: Name the Predecessor
Name the immediately preceding national capital (the official former capital) that served immediately before the country's current seat of government was established.
10 Q0 takes