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Seven days of questions and answers

Summer Trivia Answers Archive

Review earlier daily rounds, reveal the correct answer, and use the short explanation to learn the fact behind each question. Page 6 of 12 covers seven completed UTC days.

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Daily round

  1. Why does high humidity make sweating less effective at cooling?

    Answer: Moist air slows evaporation

    When air already contains abundant water vapor, sweat evaporates more slowly.

  2. Which cooking method places food directly over radiant heat from below?

    Answer: Grilling

    Grilling cooks food quickly over a heat source, often producing browning and char marks.

  3. Which gas do plants absorb for photosynthesis?

    Answer: Carbon dioxide

    Plants take in carbon dioxide and incorporate its carbon into sugars.

  4. Which structure helps many bony fish regulate buoyancy?

    Answer: Swim bladder

    Many bony fish vary the gas volume in a swim bladder to rise or sink with little effort.

  5. Which Chinese festival held in early summer features boat races?

    Answer: Dragon Boat Festival

    The Dragon Boat Festival is marked by racing long boats decorated with dragon designs.

Daily round

  1. What does relative humidity describe?

    Answer: Air's water-vapor saturation percentage

    Relative humidity expresses current water vapor as a percentage of the saturation amount at a given temperature.

  2. Which condition is a medical emergency caused by dangerous overheating?

    Answer: Heatstroke

    Heatstroke involves severe overheating and altered mental status and requires emergency care.

  3. Who composed the violin concertos known as “The Four Seasons”?

    Answer: Antonio Vivaldi

    Antonio Vivaldi composed four violin concertos depicting spring, summer, autumn, and winter.

  4. Which U.S. holiday is observed on July 4?

    Answer: Independence Day

    The United States observes Independence Day on July 4, commemorating the Declaration of Independence.

  5. What does the heat index combine?

    Answer: Air temperature and relative humidity

    The heat index estimates how hot conditions feel from temperature and humidity together.

Daily round

  1. Which island group gave the Hawaiian shirt its geographic association?

    Answer: Hawaiian Islands

    The colorful garment developed in Hawaii and became known internationally as the Hawaiian or aloha shirt.

  2. What botanical structure is the “stone” inside a cherry?

    Answer: Endocarp

    The hard endocarp surrounds the seed in cherries and other stone fruits.

  3. What gardening practice covers soil with organic material to slow water loss?

    Answer: Mulching

    Mulch shades soil, reduces evaporation, and can suppress weeds.

  4. Which frozen dessert is churned while freezing to limit large ice crystals?

    Answer: Ice cream

    Churning ice cream incorporates air and discourages coarse ice crystals.

  5. Which cheese is traditionally paired with tomato and basil in a Caprese salad?

    Answer: Mozzarella

    A classic Caprese salad layers fresh mozzarella with tomato and basil.

Daily round

  1. What sport uses a shuttlecock?

    Answer: Badminton

    Badminton players strike a feathered or synthetic shuttlecock across a net.

  2. Which flower is named for its tendency to face the Sun while young?

    Answer: Sunflower

    Young sunflower heads track the Sun across the sky through heliotropism.

  3. Which mosquito sex normally drinks blood to obtain nutrients for egg production?

    Answer: Female

    Female mosquitoes of many species take blood meals, while males feed on plant sugars.

  4. Which decorated pole is raised during Swedish Midsummer celebrations?

    Answer: Maypole

    Swedish Midsummer gatherings commonly include dancing around a flower-decorated maypole.

  5. Which animal's call is produced when males rub a scraper on one wing against a file on the other?

    Answer: Cricket

    Male crickets chirp through stridulation, rubbing specialized wing parts together.

Daily round

  1. Which dance is commonly performed at Japanese Obon festivals?

    Answer: Bon odori

    Bon odori consists of communal folk dances performed during Obon.

  2. Which instrument measures wind speed?

    Answer: Anemometer

    An anemometer measures how fast the wind is moving.

  3. Through which leaf structures does most gas exchange occur?

    Answer: Stomata

    Microscopic pores called stomata regulate carbon dioxide uptake and water-vapor loss.

  4. Which bird is famous for catching flying insects while continuously airborne?

    Answer: Swift

    Swifts are highly aerial birds that capture insects in flight.

  5. Which comet supplies the debris that creates the Perseid meteor shower?

    Answer: 109P/Swift–Tuttle

    Earth encounters particles left by comet 109P/Swift–Tuttle during the Perseids.

Daily round

  1. Which Canadian national holiday occurs on July 1?

    Answer: Canada Day

    Canada Day marks the anniversary of Canadian Confederation on July 1.

  2. What is transpiration?

    Answer: Loss of water vapor from plants

    Transpiration is the evaporation of water, mainly through leaf stomata.

  3. Which swimming stroke uses a simultaneous dolphin kick?

    Answer: Butterfly

    Butterfly pairs simultaneous arm recovery with an undulating dolphin kick.

  4. Which vegetable is harvested as the immature flower head of a thistle relative?

    Answer: Artichoke

    The edible globe artichoke is an unopened flower head in the thistle family.

  5. What process allows plants to convert light energy into chemical energy?

    Answer: Photosynthesis

    Photosynthesis uses light to build energy-rich sugars from carbon dioxide and water.

Daily round

  1. Which map lines connect places of equal elevation?

    Answer: Contour lines

    Contour lines trace points at the same height above a reference level.

  2. Which practice helps reduce heat risk during outdoor exercise?

    Answer: Scheduling activity for cooler hours

    Exercising in the cooler morning or evening reduces environmental heat load.

  3. Which drink combines lemon juice, water, and sweetener?

    Answer: Lemonade

    Lemonade is prepared by balancing diluted lemon juice with a sweetener.

  4. Which French national celebration occurs on July 14?

    Answer: Bastille Day

    France's national day on July 14 is commonly called Bastille Day in English.

  5. What should be done first for someone suspected of heat exhaustion?

    Answer: Move them to a cooler place

    Stopping activity and moving to shade or air conditioning begins safe cooling for heat exhaustion.