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Mixed warm-up · Three questions

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  1. Question 1 of 3 · Science · Medium

    What is the most abundant gas in Earth’s atmosphere?

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    Answer: Nitrogen. Near the surface, Earth’s atmosphere is about 78 percent nitrogen and 21 percent oxygen.

    Source: NASA Science — Earth Facts · Checked · More science questions

  2. Question 2 of 3 · Sports · Easy

    What does “love” mean in tennis scoring?

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    Answer: Zero. A score announced as 15-love means one player has 15 and the other has no points in that game.

    Source: USTA — Tennis Scoring · Checked · More sports questions

  3. Question 3 of 3 · Movies · Easy

    Which film was the first Academy Award winner for Best Picture?

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    Answer: Wings. The silent aviation drama received the top-picture honor at the first ceremony.

    Source: Academy — The 1st Academy Awards · Checked · More movies questions

Sports · Three questions

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  1. Question 1 of 3 · Sports · Easy

    What does “love” mean in tennis scoring?

    Read answer and explanation

    Answer: Zero. A score announced as 15-love means one player has 15 and the other has no points in that game.

    Source: USTA — Tennis Scoring · Checked · More sports questions

  2. Question 2 of 3 · Sports · Medium

    How many players may each association-football team have on the field at most?

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    Answer: Eleven. The Laws of the Game set a maximum of 11 players per team, and one of them must be the goalkeeper.

    Source: IFAB Law 3 — The Players · Checked · More sports questions

  3. Question 3 of 3 · Sports · Hard

    What is the official marathon distance?

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    Answer: 42.195 kilometres. The modern standard equals 26 miles and 385 yards.

    Source: World Athletics — Marathon · Checked · More sports questions

History · Three questions

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  1. Question 1 of 3 · History · Easy

    On what date did the Continental Congress adopt the Declaration of Independence?

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    Answer: July 4, 1776. Congress voted for independence on July 2 and adopted the Declaration’s text two days later.

    Source: National Archives — Declaration of Independence · Checked · More history questions

  2. Question 2 of 3 · History · Medium

    Where was the United States Constitution signed in 1787?

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    Answer: Philadelphia. Delegates signed the document at the Pennsylvania State House, now known as Independence Hall.

    Source: National Archives — Constitution · Checked · More history questions

  3. Question 3 of 3 · History · Hard

    Which constitutional amendment prohibited denying the vote on account of sex?

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    Answer: The Nineteenth Amendment. Its ratification in 1920 barred that form of voting discrimination, though many women still faced other barriers.

    Source: National Archives — 19th Amendment · Checked · More history questions

Geography · Three questions

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  1. Question 1 of 3 · Geography · Easy

    What is the capital of Japan?

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    Answer: Tokyo. Tokyo is the national capital and the seat of Japan’s central government.

    Source: Government of Japan — About Japan · Checked · More geography questions

  2. Question 2 of 3 · Geography · Medium

    Into which sea does the Nile River empty?

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    Answer: The Mediterranean Sea. The Nile flows north through northeastern Africa and forms a delta on the Mediterranean coast.

    Source: NASA Earth Observatory — Nile Delta · Checked · More geography questions

  3. Question 3 of 3 · Geography · Easy

    On which continent does the Andes mountain range run?

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    Answer: South America. The Andes form a long mountain chain along the continent’s western side.

    Source: USGS — Andes Tectonics · Checked · More geography questions

Science · Three questions

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  1. Question 1 of 3 · Science · Medium

    What is the most abundant gas in Earth’s atmosphere?

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    Answer: Nitrogen. Near the surface, Earth’s atmosphere is about 78 percent nitrogen and 21 percent oxygen.

    Source: NASA Science — Earth Facts · Checked · More science questions

  2. Question 2 of 3 · Science · Easy

    Which planet is fourth from the Sun?

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    Answer: Mars. Mars formed as a rocky planet between Earth and Jupiter and is commonly called the Red Planet.

    Source: NASA Science — Mars Facts · Checked · More science questions

  3. Question 3 of 3 · Science · Hard

    What force helped gas and dust collide as planets formed?

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    Answer: Gravity. Gravity and other forces caused material in the young star’s disk to collide and grow into larger objects.

    Source: NASA Science — How Do Planets Form? · Checked · More science questions

Animals · Three questions

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  1. Question 1 of 3 · Animals · Easy

    What does a camel store in its hump?

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    Answer: Fat. The stored fat is an energy reserve; the hump is not a tank full of water.

    Source: Smithsonian’s National Zoo — Camel Care · Checked · More animals questions

  2. Question 2 of 3 · Animals · Medium

    How many hearts does an octopus have?

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    Answer: Three. Two hearts move blood through the gills and one sends it through the rest of the body.

    Source: NOAA Ocean Service — Undersea Creatures · Checked · More animals questions

  3. Question 3 of 3 · Animals · Hard

    Which insect is famous for a multi-generation migration between Mexico and North America?

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    Answer: The monarch butterfly. Several generations continue the northward journey, while one long-lived generation returns south.

    Source: U.S. Fish and Wildlife Service — Monarch Butterfly · Checked · More animals questions

Food · Three questions

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  1. Question 1 of 3 · Food · Easy

    Which gas is commonly used to create carbonation in beverages?

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    Answer: Carbon dioxide. Dissolved carbon dioxide produces the bubbles released when the container is opened.

    Source: FDA — Types of Food Ingredients · Checked · More food questions

  2. Question 2 of 3 · Food · Medium

    How are ingredients generally ordered on a packaged-food label?

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    Answer: From greatest to least amount by weight. The ingredient present in the greatest amount appears first, followed by smaller amounts.

    Source: FDA — Types of Food Ingredients · Checked · More food questions

  3. Question 3 of 3 · Food · Medium

    Which seed became the ninth major food allergen recognized under U.S. federal law?

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    Answer: Sesame. The FASTER Act added sesame to the major-allergen list beginning in 2023.

    Source: FDA — Sesame and Food Allergies · Checked · More food questions

Movies · Three questions

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  1. Question 1 of 3 · Movies · Easy

    Which film was the first Academy Award winner for Best Picture?

    Read answer and explanation

    Answer: Wings. The silent aviation drama received the top-picture honor at the first ceremony.

    Source: Academy — The 1st Academy Awards · Checked · More movies questions

  2. Question 2 of 3 · Movies · Medium

    What does the figure on the Oscar statuette hold?

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    Answer: A sword. The design depicts a knight holding a crusader’s sword while standing on a reel of film.

    Source: Academy — Oscar Statuette · Checked · More movies questions

  3. Question 3 of 3 · Movies · Hard

    Who designed the Oscar statuette?

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    Answer: Cedric Gibbons. The MGM art director designed the figure, and sculptor George Stanley realized it in three dimensions.

    Source: Academy — Oscar Statuette · Checked · More movies questions

Music · Three questions

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  1. Question 1 of 3 · Music · Easy

    What musical term describes how fast or slow a piece should be played?

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    Answer: Tempo. Tempo is the speed of music; common markings include largo, moderato, and presto.

    Source: Carnegie Hall — Expressive Qualities in Music · Checked · More music questions

  2. Question 2 of 3 · Music · Medium

    How many keys are on a standard modern piano?

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    Answer: Eighty-eight. The full-size keyboard spans a little more than seven octaves; the Smithsonian documents an 88-key upright from about 1904.

    Source: Smithsonian — Upright Piano · Checked · More music questions

  3. Question 3 of 3 · Music · Hard

    Which Grammy category primarily recognizes the songwriter?

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    Answer: Song of the Year. The award recognizes the writers of the composition rather than only the recorded performance.

    Source: Recording Academy — Grammy FAQ · Checked · More music questions

Entertainment · Three questions

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  1. Question 1 of 3 · Entertainment · Easy

    Which major U.S. awards are associated with television?

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    Answer: The Emmy Awards. The Television Academy presents Emmys across television programs, performances, writing, crafts, and technical work.

    Source: Television Academy — Emmy Awards · Checked · More entertainment questions

  2. Question 2 of 3 · Entertainment · Easy

    What does the abbreviation “sitcom” stand for?

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    Answer: Situation comedy. The format builds recurring comedy around a regular cast reacting to humorous situations.

    Source: PBS — On Stage Glossary · Checked · More entertainment questions

  3. Question 3 of 3 · Entertainment · Medium

    What four awards are represented by the term EGOT?

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    Answer: Emmy, Grammy, Oscar, and Tony. The acronym combines major recognition in television, recorded music, film, and Broadway theater.

    Source: Recording Academy — What EGOT Stands For · Checked · More entertainment questions

Practice earns no coins or XP and does not affect rankings. Answers stay on this page and reset when you reload. Every round uses the reviewed public sample collection; repeat a round to revisit its questions.

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Explore the Categories

Explore eight reviewed samples, explanations, sources, and distinct difficulty examples in each category.

Sports (8 reviewed samples)History (8 reviewed samples)Geography (8 reviewed samples)Science (8 reviewed samples)Animals (8 reviewed samples)Food (8 reviewed samples)Movies (8 reviewed samples)Music (8 reviewed samples)Entertainment (8 reviewed samples)

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Warm Up With a Learning Goal

Rules and scoring

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Clearer wording

Use the ambiguity examples in Question Quality before a practice set.