5th Grade
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50 free 5th Grade trivia questions with answers — trivia quiz, new questions added Oct 2026.
Fifth grade is the year school subjects start to connect. Students meet the solar system and the water cycle in science, the colonies and the Revolution in social studies, fractions and volume in math, and figures of speech in reading. That mix makes fifth graders some of the best trivia players around: they know a surprising amount, and they love catching adults out. This quiz draws on what a typical American fifth grader studies. There are questions on planets, animals and the human body, on explorers, presidents and famous Americans, on states, capitals, rivers and mountains, plus a handful of math problems and questions about grammar and well-loved children's books. Every answer comes with a short explanation, so a wrong guess still teaches something. It works for a classroom review game, a family quiz night, a road trip, or any grown-up who wants to find out whether they could still keep up with a ten-year-old.
30 of 50 questions with answers and explanations. Play the quiz
Q 01What causes Earth's seasons, giving the Northern Hemisphere summer while the south has winter?
Its tilted axis
Its tilted axis is the cause: Earth leans about 23.4 degrees, so each half of the planet gets more direct sunlight for part of the year. Earth is actually closest to the Sun in January.
Q 02Which animal, whose heart alone can weigh about 400 pounds, is the largest known ever to have lived?
Blue whale
The blue whale can stretch about 100 feet and weigh up to 200 tons. On a deep dive its heartbeat can slow to just 2 beats a minute.
Q 03Which city on the Hudson River, rather than New York City, is the capital of New York State?
Albany
Albany grew from a Dutch fur-trading post called Fort Orange. New York's lawmakers moved between several towns before settling there for good in 1797.
Q 04Following the order of operations, what is the value of 2 + 3 × 4?
14
14 is correct because multiplication comes before addition: 3 × 4 makes 12, and then the 2 is added. Adding first, in the order written, gives the common wrong answer of 20.
Q 05Where is most of Earth's fresh water stored, even though it makes up under 3 percent of all water?
Ice caps and glaciers
Ice caps and glaciers hold about 69 percent of Earth's fresh water, and groundwater holds most of the rest. All the lakes, rivers and swamps together add up to only about 0.3 percent.
Q 06Which animals are the only mammals capable of true flight rather than gliding between trees?
Bats
Bats are the only mammals that truly fly, on wings made of a thin membrane stretched over long finger bones. Flying squirrels and sugar gliders can only glide.
Q 07Which U.S. state, home to North America's highest mountain, Denali, is the largest by area?
Alaska
Alaska covers more area than Texas, California and Montana put together, and they are the next three largest states. The United States bought it from Russia in 1867 for $7.2 million.
Q 08Which president and former Continental Army commander is the only one a U.S. state is named after?
George Washington
George Washington gave his name to the state when Congress created its territory in 1853. Lawmakers had first planned to call the place Columbia, after the river.
Q 09Which organ, making up roughly 16 percent of body mass, is the largest in the human body?
Skin
Skin is the largest organ, an outer covering that wraps the whole body. The liver, a common guess, is the largest organ on the inside.
Q 10Which ship carried the Pilgrims to America in 1620 after a second, unseaworthy vessel stayed behind?
Mayflower
Mayflower sailed alone because the Speedwell proved unfit for the ocean. The crossing took about 10 weeks, with 102 passengers packed below deck.
Q 11Which planet, home to a giant storm called the Great Red Spot, is the largest in the solar system?
Jupiter
Jupiter has nearly two and a half times the mass of all the other planets put together. Astronomers have been watching its Great Red Spot since 1831.
Q 12Which process lets green plants make food from sunlight, releasing the oxygen that animals breathe?
Photosynthesis
Photosynthesis turns the energy in light into sugars a plant can live and grow on. It also keeps Earth's air supplied with oxygen.
Q 13Which ocean, bigger than all of Earth's land put together, is the largest and deepest in the world?
Pacific
The Pacific covers about one-third of Earth's surface. Its Mariana Trench holds the deepest known point in any sea, nearly 11 kilometers down.
Q 21Which step of the water cycle, powered by the Sun's heat, turns liquid water into an invisible gas?
Evaporation
Evaporation leaves salt and other particles behind, so the vapor that rises is clean. The oceans supply about 86 percent of it.
Q 22Which galaxy, seen from Earth as a hazy band of light in the night sky, contains our solar system?
Milky Way
The Milky Way holds somewhere between 100 and 400 billion stars. Galileo was the first to pick out single ones in its glow, using his telescope in 1610.
Q 23Which scientist, famous for three laws of motion, also built the first reflecting telescope?
Isaac Newton
Isaac Newton also showed that a prism splits light into a spectrum of colors. He shares the credit for inventing calculus as well.
Q 14Which Founding Father from Virginia was the main author of the Declaration of Independence?
Thomas Jefferson
Thomas Jefferson drafted the Declaration largely alone, and Congress approved it in July 1776. He went on to become the third president.
Q 15Which figure of speech compares two things using 'like' or 'as', such as 'as brave as a lion'?
Simile
A simile makes its comparison out in the open, with a signal word. A metaphor drops the signal and says one thing simply is another.
Q 16What is the bottom number of a fraction called, such as the 5 in two-fifths?
Denominator
Denominator comes from the Latin for namer, because it names the size of the parts. The top number, the numerator, counts how many of those parts there are.
Q 17Which woman escaped slavery, then returned about 13 times to free others on the Underground Railroad?
Harriet Tubman
Harriet Tubman rescued about 70 enslaved people, family and friends among them, traveling by night in great secrecy. In the Civil War she was a scout and spy for the Union Army.
Q 18Which continent, the lowest and flattest of the seven, is also the smallest?
Australia
Australia is the smallest continent and also the second-driest. Only Antarctica gets less rain and snow.
Q 19Which group in a food chain, including fungi and bacteria, breaks down dead plants and animals?
Decomposers
Decomposers release the nutrients locked inside dead matter back into the soil and water around them. Earthworms and woodlice help with the same job.
Q 20In which city did disguised colonists dump over 300 chests of British tea into the harbor?
Boston
Boston was where the Sons of Liberty boarded three tea ships on December 16, 1773, and threw the cargo overboard. They were protesting a new law called the Tea Act.
Q 24Which Virginia settlement, founded in 1607, was the first permanent English colony in the Americas?
Jamestown
Jamestown nearly failed: only about 60 settlers lived through the winter of 1609 to 1610, known as the Starving Time. The river beside it was named for King James I.
Q 25Which silversmith made a midnight ride in 1775 to warn that British troops were on the march?
Paul Revere
Paul Revere became a folk hero decades later, when Henry Wadsworth Longfellow retold the ride in an 1861 poem. The alarm came just before the battles of Lexington and Concord.
Q 26What name is given to the U.S. Constitution's first ten amendments, protecting freedoms such as speech?
The Bill of Rights
The Bill of Rights was added in 1791, largely through the efforts of James Madison. Congress had sent twelve amendments to the states, and ten were approved at the time.
Q 27Which country sold the Louisiana Territory to the United States in 1803, nearly doubling the nation's size?
France
France, then led by Napoleon Bonaparte, let the land go for $15 million. That works out to only a few cents an acre.
Q 28Which Native American woman, still in her teens, helped Lewis and Clark explore the West?
Sacagawea
Sacagawea traveled with her baby, and the sight of a mother and infant showed the tribes they met that the explorers came in peace.
Q 29Which explorer left Spain in 1519 to begin the first trip around the world but died in the Philippines?
Ferdinand Magellan
Ferdinand Magellan died in battle in 1521, so the Spanish navigator Juan Sebastián Elcano brought the crew home the following year.
Q 30Which river flows south from Lake Itasca in Minnesota to reach the sea beyond New Orleans?
Mississippi
The Mississippi and the streams that feed it drain about 40 percent of the continental United States. It is the second-longest river in the country, just behind the Missouri.