50 USA Kids General Knowledge Quiz (Ages 8–12) | Fun Trivia for Children – Smart Quiz Nation
Play this 50-question USA General Knowledge Quiz for kids (8–12) on Smart Quiz Nation! Fun trivia, easy MCQs & learning games for young learners.
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Fun and Educational Trivia Questions for Young Learners on Smart Quiz Nation
Looking for a smart and fun way to boost your child’s learning? This “50 USA Kids General Knowledge Quiz” is specially designed for children ages 8 to 12 and is now live on Smart Quiz Nation. Packed with exciting multiple-choice questions (MCQs), this quiz helps young minds explore U.S. history, geography, famous landmarks, fun facts, math and much more — all in an interactive format that makes learning enjoyable.
Perfect for classrooms, homeschoolers, or weekend learning fun, our kids' general knowledge quiz encourages curiosity and confidence. It’s aligned with educational goals for American students and follows AdSense-safe guidelines, so parents and educators can trust the content. Whether it’s about U.S. presidents, national symbols, or state capitals, every question is written in clear, age-appropriate language to make learning both easy and entertaining.
Join thousands of families who visit Smart Quiz Nation daily for engaging, educational quizzes. Make it a habit — quiz, learn, and grow smarter together!
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Question 1: What is the capital of India?
A) Mumbai
B) Kolkata
C) New Delhi
D) Chennai
Explanation: New Delhi is the official capital of India
Question 2: Which planet is known as the Red Planet?
A) Venus
B) Jupiter
C) Mars
D) Mercury
Explanation: Mars appears red due to iron oxide on its surface.
Question 3: Which country has the largest population?
A) USA
B) India
C) Russia
D) China
Explanation: India became the most populous country in 2026.
Question 4: Which river is the longest in the world?
A) Ganga
B) Amazon
C) Nile
D) Yangtze
Explanation: The Nile is about 6,650 km long, making it the longest.
Question 5: Who wrote the Indian National Anthem?
A) Mahatma Gandhi
B) Rabindranath Tagore
C) Sarojini Naidu
D) Subhas Chandra Bose
Explanation: He wrote “Jana Gana Mana.”
Question 6: What is the national sport of India?
A) Cricket
B) Football
C) Kabaddi
D) Hockey
Explanation: Though cricket is popular, hockey is officially the national game.
Question 7: What color do you get by mixing red and yellow?
A) Orange
B) Green
C) Brown
D) Pink
Explanation: Mixing red and yellow creates orange.
Question 8: How many continents are there in the world?
A) 5
B) 6
C) 7
D) 8
Explanation: The seven continents are Asia, Africa, North America, South America, Antarctica, Europe, and Australia.
Question 9: What is the currency of the USA?
A) Peso
B) Dollar
C) Euro
D) Pound
Explanation: The U.S. currency is called the dollar.
Question 10: What do you call a person who studies the weather?
A) Biologist
B) Meteorologist
C) Geologist
D) Astronomer
Explanation: A meteorologist predicts and studies the weather.
Question 11: In which country is the Eiffel Tower located?
A) Germany
B) Italy
C) Spain
D) France
Explanation: The Eiffel Tower is in Paris, France.
Question 12: Which day is celebrated as Independence Day in India?
A) 15th August
B) 26th January
C) 2nd October
D) 14th November
Explanation: India gained independence on 15th August 1947.
Question 13: Which planet has rings around it?
A) Earth
B) Venus
C) Saturn
D) Mars
Explanation: Saturn is famous for its beautiful ring system.
Question 14: Which gas is essential for humans to breathe?
A) Carbon dioxide
B) Nitrogen
C) Oxygen
D) Hydrogen
Explanation: Humans need oxygen to survive.
Question 15: How many legs does an insect have?
A) 6
B) 8
C) 4
D) 10
Explanation: Insects have six legs.
Question 16: Which organ helps in pumping blood?
A) Brain
B) Liver
C) Lungs
D) Heart
Explanation: The heart is a muscular organ that pumps blood.
Question 17: What part of the plant conducts photosynthesis?
A) Roots
B) Flowers
C) Leaves
D) Stem
Explanation: Leaves contain chlorophyll that helps in photosynthesis.
Question 18: What is the boiling point of water?
A) 0°C
B) 100°C
C) 50°C
D) 120°C
Explanation: Water boils at 100°C at standard pressure.
Question 19: Which part of the body helps in digestion?
A) Heart
B) Lungs
C) Stomach
D) Kidney
Explanation: The stomach breaks down food with acids.
Question 20: Which gas do plants release during photosynthesis?
A) Oxygen
B) Carbon dioxide
C) Nitrogen
D) Methane
Explanation: Plants release oxygen as a by-product of photosynthesis.
Question 21: Which planet is closest to the Sun?
A) Earth
B) Mercury
C) Venus
D) Mars
Explanation: Mercury is the nearest planet to the Sun.
Question 22: Which animal is known as "King of the Jungle"?
A) Tiger
B) Lion
C) Elephant
D) Gorilla
Explanation: The lion is famously called the "King of the Jungle."
Question 23: What causes day and night?
A) Earth's revolution
B) Earth's rotation
C) Moon's rotation
D) Sun's movement
Explanation: The Earth’s rotation on its axis causes day and night.
Question 24: How many bones are there in an adult human body?
A) 200
B) 201
C) 206
D) 208
Explanation: Adults have 206 bones.
Question 25: What is the main source of energy for Earth?
A) Wind
B) Moon
C) Sun
D) Water
Explanation: The Sun provides light and heat essential for life.
Question 26: Which animal is called the ‘Ship of the Desert’?
A) Horse
B) Camel
C) Donkey
D) Yak
Explanation: Camels are adapted to survive in deserts.
Question 27: Which vitamin do we get from sunlight?
A) A
B) B
C) C
D) D
Explanation: Sunlight helps our body produce Vitamin D.
Question 28: What is 1/2 of 100?
A) 25
B) 50
C) 75
D) 100
Explanation: Half of 100 is 50
Question 29: What is the square of 9?
A) 81
B) 18
C) 27
D) 36
Explanation: 9 × 9 = 81
Question 30: How many sides does a pentagon have?
A) 5
B) 6
C) 7
D) 8
Explanation: A pentagon has five sides.
Question 31: What is the place value of 5 in 4532?
A) 5
B) 50
C) 500
D) 5000
Explanation: The digit 5 is in the hundreds place.
Question 32: What is 36 ÷ 6?
A) 5
B) 6
C) 7
D) 8
Explanation: 36 divided by 6 equals 6.
Question 33: What is 10% of 200?
A) 20
B) 10
C) 15
D) 30
Explanation: 10% of 200 is 20.
Question 34: Which is a prime number?
A) 4
B) 9
C) 7
D) 6
Explanation: 7 has no factors other than 1 and itself.
Question 35: What comes after 999?
A) 998
B) 1000
C) 1001
D) 9999
Explanation: 999 + 1 = 1000
Question 36: How many minutes are there in 2 hours?
A) 60
B) 100
C) 120
D) 90
Explanation: 1 hour = 60 minutes, so 2 hours = 120 minutes.
Question 37: What is the Roman numeral for 50?
A) L
B) X
C) V
D) C
Explanation: Roman numeral L stands for 50.
Question 38: Which number is even?
A) 15
B) 21
C) 28
D) 33
Explanation: Even numbers end in 0, 2, 4, 6, or 8.
Question 39: What is 12 × 5?
A) 50
B) 60
C) 70
D) 65
Explanation: 12 × 5 = 60
Question 40: What is the plural of ‘tooth’?
A) Tooths
B) Teeth
C) Teeths
D) Toothes
Explanation: The correct plural form of tooth is teeth.
Question 41: Which word is an adjective?
A) Blue
B) Jump
C) Walk
D) And
Explanation: "Blue" can describe a noun like "blue sky."
Question 42: Which one is a noun?
A) Run
B) Quickly
C) Chair
D) Very
Explanation: A chair is a thing, so it is a noun.
Question 43: What is the opposite of “hot”?
A) Warm
B) Boiling
C) Cold
D) Mild
Explanation: Cold is the opposite of hot.
Question 44: Choose the correct spelling:
A) Environmant
B) Enviroment
C) Environment
D) Enviorment
Explanation: “Environment” is the correct spelling.
Question 45: Which is a pronoun?
A) Book
B) He
C) Big
D) Apple
Explanation: “He” is used in place of a noun.
Question 46: Find the verb:
A) Tree
B) Tall
C) Run
D) Blue
Explanation: “Run” is an action word, which is a verb.
Question 47: Which is a question sentence?
A) She is my sister.
B) Are you okay?
C) He is tired.
D) We are late.
Explanation: This is an interrogative (question) sentence.
Question 48: What is the synonym of “happy”?
A) Sad
B) Joyful
C) Angry
D) Sleepy
Explanation: Joyful means the same as happy.
Question 49: Which word is a preposition?
A) Quickly
B) Under
C) Under
D) Hot
Explanation: Prepositions show position or direction.
Question 50: What is the past tense of “eat”?
A) Eated
B) Eats
C) Ate
D) Eating
Explanation: "Ate" is the correct past tense form of "eat."
Report Card
Total Questions Attempted: 0
Correct Answers: 0
Wrong Answers: 0
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