50 Trivia Questions for 4th Graders (Ages 9–10)
Fractions, states, electricity and explorers — trivia pitched for 9–10 year olds, answers included.
Fourth grade is when trivia gets serious: kids this age can handle multi-step math, they're studying their country's geography, and they genuinely enjoy knowing things their younger siblings don't. These 50 questions span the 4th grade curriculum and beyond — with a Wildcard round to keep it fun.
Perfect for classroom quiz bowls, rainy-day challenges, and family game night where the 9-year-old finally beats Dad. For daily fresh questions, try the Elementary mode in our free Trivia Royale.
🏆 Daily trivia built for ages 8–11Trivia Royale's Elementary mode serves a new Jeopardy-style board every midnight. Free in any browser — great on a classroom whiteboard too.➗ Math Challenge
What is 12 × 12?
144.
What is 3/4 of 100?
75.
What do you call an angle that measures exactly 90 degrees?
A right angle.
Round 4,678 to the nearest hundred.
4,700.
What is the value of the 7 in 3,725?
700 — it's in the hundreds place.
How many degrees are in a full circle?
360.
What is 1,000 ÷ 8?
125.
A pizza is cut into 8 slices and you eat 2. What fraction did you eat, in simplest form?
1/4 (2/8 simplified).
What do you call a number that only divides evenly by 1 and itself?
A prime number.
What is the area of a square with sides of 9 units?
81 square units.
⚡ Science
What are the three states of matter?
Solid, liquid, and gas (plasma is the bonus fourth).
What force keeps the planets orbiting the Sun?
Gravity.
What is the source of almost all energy on Earth?
The Sun.
Which material is a good conductor of electricity — rubber or copper?
Copper (rubber is an insulator).
What do we call animals with backbones?
Vertebrates (animals without are invertebrates).
What gas do plants take in from the air?
Carbon dioxide (CO₂).
What simple machine is a ramp an example of?
An inclined plane.
What is the boiling point of water in Celsius?
100°C (212°F).
Which organ cleans your blood and makes urine?
The kidneys.
Sound travels fastest through which — air, water, or steel?
Steel — sound moves faster through denser solids.
🇺🇸 US & World Geography
How many states are in the United States?
Fifty.
Which is the largest US state by area?
Alaska.
Which US state is famous for the Grand Canyon?
Arizona.
What are the five Great Lakes?
Huron, Ontario, Michigan, Erie, Superior.Remember them with HOMES!
What is the longest river in the United States?
The Missouri River (the Mississippi is a close second).
Which two countries border the United States?
Canada (north) and Mexico (south).
What is the capital of France?
Paris.
Which mountain range runs along the western United States?
The Rocky Mountains.
On a map, what do the blue areas usually show?
Water — oceans, lakes, and rivers.
Which US state is a group of islands in the Pacific Ocean?
Hawaii.
📜 History & Famous People
Who wrote the Declaration of Independence's first draft?
Thomas Jefferson.
Which explorer is credited with sailing to the Americas in 1492?
Christopher Columbus.
Who was the US president during most of the Civil War?
Abraham Lincoln.
Which civil rights leader gave the famous 'I Have a Dream' speech?
Dr. Martin Luther King Jr.
What ancient civilization built the pyramids at Giza?
The ancient Egyptians.
Who was the first woman to fly solo across the Atlantic Ocean?
Amelia Earhart.
The Statue of Liberty was a gift to the US from which country?
France.
Who invented the printing press?
Johannes Gutenberg.
Which famous scientist studied chimpanzees in Africa for decades?
Jane Goodall.
In which city was the Liberty Bell rung?
Philadelphia.
🎲 Wildcard Round
How many bones are in the human body?
206.
What is the largest planet in our solar system?
Jupiter.
In which sport would you perform a slam dunk?
Basketball.
What is the world's largest rainforest?
The Amazon rainforest.
How many players are on a baseball team's field at once?
Nine.
What do you call a shape with five sides?
A pentagon.
Which instrument family does the trumpet belong to?
Brass.
What is the currency used in the United States?
The dollar.
Which planet is famous for its Great Red Spot?
Jupiter — it's a giant storm bigger than Earth.
What does 'www' stand for in a website address?
World Wide Web.
💡 How to use these questions
- Quiz bowl format: two teams, alternate categories, double points for the Math Challenge round — 4th graders rise to the stakes.
- Curriculum tie-in: the US Geography and History rounds pair well with state-studies units.
- Kids vs. adults: this is the age where family trivia gets competitive — let your 4th grader run the quiz and check answers.
- Keep it daily: Trivia Royale's Elementary mode refreshes every midnight, and NumRush makes daily mental-math practice feel like a game.
Frequently asked questions
What age are these trivia questions for?
4th graders — ages 9–10. They assume multiplication fluency, US geography basics, and confident reading.
Can I use these in my classroom?
Yes, completely free — project the page, read aloud, or build them into your own quiz games.
Where are the easier and harder lists?
Each grade from 1st to 6th has its own page — see the links below, or browse the full trivia library.
Is there a version of this as a daily game?
Yes — Trivia Royale publishes a new Elementary-mode board (ages 8–11) every day. Free, no login, no ads.