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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 10 of 12 covers seven completed UTC days.

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Daily round

  1. Which natural material forms ordinary beach sand in many continental settings?

    Answer: Quartz grains

    Durable quartz survives weathering and transport and is a major component of many sandy beaches.

  2. What is a granita?

    Answer: A coarse Sicilian ice dessert

    Granita is a Sicilian frozen dessert scraped into distinctive coarse crystals.

  3. What should a swimmer do when thunder is heard?

    Answer: Leave the water and seek shelter

    Thunder signals nearby lightning risk, so swimmers should exit immediately and enter a substantial building or hard-topped vehicle.

  4. Which storm rotates around a low-pressure center over warm tropical water?

    Answer: Tropical cyclone

    A tropical cyclone is an organized rotating storm system powered by warm ocean water.

  5. In the Atlantic basin, what is a tropical cyclone with sustained winds of at least 74 mph called?

    Answer: Hurricane

    Atlantic tropical cyclones meeting the 74 mph threshold are classified as hurricanes.

Daily round

  1. Who painted many water-lily scenes in his garden at Giverny?

    Answer: Claude Monet

    Claude Monet repeatedly painted the pond and water lilies at his home in Giverny.

  2. Why is early morning often a good time to water a garden?

    Answer: Less water evaporates before reaching roots

    Cooler morning temperatures reduce evaporation and let foliage dry during the day.

  3. What flying toy is held aloft by wind acting on a tethered surface?

    Answer: Kite

    A kite develops aerodynamic lift while a line restrains it against the wind.

  4. What electrolyte is lost in the greatest quantity through sweat?

    Answer: Sodium

    Sodium is the dominant electrolyte lost in sweat, though amounts vary by person and conditions.

  5. What is one stroke under par on a golf hole called?

    Answer: Birdie

    A birdie means completing a hole in one stroke fewer than its par.

Daily round

  1. What is the Japanese festival honoring ancestral spirits usually held in summer called?

    Answer: Obon

    Obon is a Buddhist-influenced Japanese period for welcoming and honoring ancestral spirits.

  2. What is the Sun's apparent position at local solar noon on a sundial?

    Answer: Its highest point of the day

    Local solar noon occurs when the Sun reaches its highest daily altitude in the sky.

  3. What scale measures ultraviolet radiation's potential to harm skin and eyes?

    Answer: UV Index

    The UV Index communicates the expected intensity of sunburn-producing ultraviolet radiation.

  4. Which basic camping shelter uses a fabric canopy supported by poles?

    Answer: Tent

    A tent creates a portable enclosure from fabric stretched over a supporting frame.

  5. Which item is designed to keep a person buoyant in water?

    Answer: Life jacket

    A properly fitted life jacket supplies buoyancy and helps keep a wearer afloat.

Daily round

  1. Vega, Deneb, and Altair form which well-known asterism?

    Answer: Summer Triangle

    The Summer Triangle joins Vega in Lyra, Deneb in Cygnus, and Altair in Aquila.

  2. Earth reaches aphelion, its farthest point from the Sun, during which Northern Hemisphere season?

    Answer: Summer

    Earth reaches aphelion in early July, demonstrating that axial tilt rather than distance drives the seasons.

  3. Which frozen dessert traditionally contains fruit, sugar, and water but no dairy?

    Answer: Sorbet

    Sorbet is made from sweetened fruit or flavoring and water without milk or cream.

  4. Which full moon name traditionally refers to a June moon in North America?

    Answer: Strawberry Moon

    Strawberry Moon is a traditional seasonal name used for the June full moon.

  5. What do sea turtle hatchlings normally use as a general cue to find the ocean?

    Answer: The brighter horizon over the sea

    Hatchlings orient toward the open, brighter horizon, a cue that artificial lights can disrupt.

Daily round

  1. Why are Northern Hemisphere days generally longer in summer?

    Answer: The hemisphere tilts toward the Sun

    Earth's axial tilt points the Northern Hemisphere toward the Sun, lengthening its daylight period.

  2. What is the safest principle for a campfire before leaving?

    Answer: Extinguish it until it is cold

    Water, stirring, and repeated checking should leave a campfire completely cold before departure.

  3. Which stone fruit has a fuzzy skin?

    Answer: Peach

    Peaches characteristically have fine hairs on their skin, unlike smooth nectarines.

  4. Which butterfly migrates between Mexico and North America over multiple generations?

    Answer: Monarch

    The eastern monarch population completes a multigenerational migration between Mexico and northern breeding grounds.

  5. What causes ocean tides most strongly?

    Answer: The Moon's gravity

    The Moon's gravitational pull produces the largest regular influence on Earth's tides.

Daily round

  1. How many players are on the court for one beach volleyball team?

    Answer: Two

    Standard beach volleyball teams consist of two players.

  2. What is a rip current?

    Answer: A narrow flow moving away from shore

    A rip current is a concentrated channel of water flowing seaward through breaking waves.

  3. What cooling process occurs when sweat changes from liquid to vapor?

    Answer: Evaporation

    Evaporation absorbs heat from the skin and helps lower body temperature.

  4. Which surface is used at the Wimbledon tennis championships?

    Answer: Grass

    Wimbledon's outdoor courts use closely maintained perennial ryegrass.

  5. Which baseball position delivers the ball toward home plate?

    Answer: Pitcher

    The pitcher throws from the mound toward the batter at home plate.

Daily round

  1. At the June solstice, the Sun is directly overhead at noon along which latitude?

    Answer: Tropic of Cancer

    The subsolar point reaches the Tropic of Cancer at the June solstice.

  2. Which nocturnal insect uses light-producing organs called lanterns?

    Answer: Firefly

    Fireflies generate bioluminescent signals in abdominal light organs often called lanterns.

  3. What causes thunder?

    Answer: Rapid expansion of air heated by lightning

    Lightning heats air extremely quickly, and the resulting expansion creates a shock wave heard as thunder.

  4. Which wheat product is traditionally added to tabbouleh salad?

    Answer: Bulgur

    Traditional tabbouleh combines abundant parsley with bulgur wheat, tomato, and lemon.

  5. What navigational instrument points toward magnetic north?

    Answer: Compass

    A magnetic compass aligns its needle with Earth's magnetic field.