AG AIGAMELIB 59 playable now, 61 experiments Play a case
Menu

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 5 of 12 covers seven completed UTC days.

Play today's quiz

Daily round

  1. 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.

  2. Which lightweight hat was traditionally woven from leaves of the toquilla palm in Ecuador?

    Answer: Panama hat

    Despite its name, the Panama hat is traditionally handwoven in Ecuador from toquilla straw.

  3. 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.

  4. 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.

  5. 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.

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 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.

  3. 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.

  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. Which gas do plants absorb for photosynthesis?

    Answer: Carbon dioxide

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

Daily round

  1. 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.

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

    Answer: Ice cream

    Churning ice cream incorporates air and discourages coarse ice crystals.

  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 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 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.

  2. 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.

  3. Which weather instrument measures rainfall?

    Answer: Rain gauge

    A rain gauge collects precipitation so its depth can be measured.

  4. Which ultraviolet band is the main cause of sunburn?

    Answer: UVB

    UVB radiation damages the outer skin layers and is the principal cause of sunburn.

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

    Answer: December

    The December solstice begins astronomical summer south of the equator.

Daily round

  1. 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.

  2. What cloud type commonly produces summer thunderstorms?

    Answer: Cumulonimbus

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

  3. 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.

  4. What sound-producing structures do male cicadas vibrate?

    Answer: Tymbals

    Male cicadas rapidly buckle ribbed abdominal membranes called tymbals to make calls.

  5. 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.

Daily round

  1. Which is an early sign that the body may need more water?

    Answer: Thirst

    Thirst is a normal regulatory signal that fluid intake may be needed.

  2. Which amphibian can absorb water through its skin?

    Answer: Frog

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

  3. Which swimming stroke uses a simultaneous dolphin kick?

    Answer: Butterfly

    Butterfly pairs simultaneous arm recovery with an undulating dolphin kick.

  4. 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.

  5. Midsummer celebrations are especially prominent in which European region?

    Answer: Scandinavia

    Sweden, Finland, Norway, and Denmark maintain particularly visible Midsummer traditions.

Daily round

  1. 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.

  2. Which direction does a sea breeze usually blow during a warm afternoon?

    Answer: From sea toward land

    Land heats faster than water, drawing cooler marine air inland as a sea breeze.

  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 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 is a solstice?

    Answer: An extreme of the Sun's seasonal declination

    A solstice occurs when the Sun's apparent declination reaches its northernmost or southernmost extreme.