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 2 of 12 covers seven completed UTC days.

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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. Which part of sunglasses protects the eyes from ultraviolet radiation?

    Answer: UV-filtering lenses

    Proper UV-filtering lenses reduce ultraviolet exposure regardless of how dark the tint appears.

  3. What is estivation?

    Answer: Dormancy during hot or dry conditions

    Estivation is a low-activity state that helps some animals survive heat or drought.

  4. Which berry is made of many small drupelets clustered together?

    Answer: Raspberry

    A raspberry is an aggregate fruit composed of numerous tiny drupelets.

  5. Which novel opens with the Finch children during a summer in Maycomb, Alabama?

    Answer: To Kill a Mockingbird

    Harper Lee's To Kill a Mockingbird begins with Scout recalling summer adventures in Maycomb.

Daily round

  1. What cloud type commonly produces summer thunderstorms?

    Answer: Cumulonimbus

    Cumulonimbus clouds grow vertically and can generate lightning, heavy rain, hail, and strong wind.

  2. 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.

  3. 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.

  4. Which astronomical event marks the start of astronomical summer in the Northern Hemisphere?

    Answer: June solstice

    Astronomical summer in the Northern Hemisphere begins at the June solstice.

  5. 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.

Daily round

  1. 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.

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

    Answer: Maypole

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

  3. Around which month does the Southern Hemisphere's astronomical summer begin?

    Answer: December

    The December solstice begins astronomical summer south of the equator.

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

    Answer: Lemonade

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

  5. Which whale feeds by filtering prey through baleen plates?

    Answer: Humpback whale

    Humpback whales use comb-like baleen to strain small fish and krill from seawater.

Daily round

  1. Which constellation contains the bright summer star Vega?

    Answer: Lyra

    Vega is the brightest star in the small northern constellation Lyra.

  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. 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.

  4. 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.

  5. Which clothing offers the best general sun protection?

    Answer: Tightly woven fabric covering the skin

    Dense, opaque fabric blocks more ultraviolet radiation than thin, open, or wet material.

Daily round

  1. Which amphibian can absorb water through its skin?

    Answer: Frog

    Frogs have permeable skin that participates in water uptake and gas exchange.

  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 Shakespeare comedy is set partly in an enchanted forest on a summer night?

    Answer: A Midsummer Night's Dream

    A Midsummer Night's Dream intertwines lovers and fairies in a forest outside Athens.

  4. 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.

  5. 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.

Daily round

  1. Which pigment gives most leaves their green color?

    Answer: Chlorophyll

    Chlorophyll absorbs light energy for photosynthesis and reflects green wavelengths.

  2. 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.

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

    Answer: Two

    Standard beach volleyball teams consist of two players.

  4. 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.

  5. Which insect's immature stage is an aquatic nymph before becoming a flying adult?

    Answer: Dragonfly

    Dragonflies spend their juvenile stage underwater as predatory nymphs.

Daily round

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

    Answer: Firefly

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

  2. Which Italian frozen dessert is usually denser and served warmer than American-style ice cream?

    Answer: Gelato

    Gelato typically has less air and is served at a slightly warmer temperature than American ice cream.

  3. What navigational instrument points toward magnetic north?

    Answer: Compass

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

  4. 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.

  5. Why should a parked car never be used as a waiting place for a child in summer?

    Answer: Its interior can heat rapidly

    Sunlight can raise a parked vehicle's interior temperature to dangerous levels within minutes.