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General Knowledge quiz

Are You Smarter Than an 8th Grader? 50 Questions

Are you smarter than an 8th grader? This 50-question quiz has no easy questions! Money skills, first aid, biology, geography, math, culture and life skills, starting at 7th grade and ending at the 8th grade ceiling. Play with your family, keep score and comment your result out of 50. Do you beat…

  • 51 questions
  • 12 min
  • 12 Easy
  • 16 Medium
  • 13 Hard
  • 10 Genius

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Are You Smarter Than an 8th Grader? 50 Questions: questions and answers

Try to answer first, then tap a question to see the answer.

  1. A shirt costs $40 and is 25% off. What do you pay? $10 · $30 · $35

    $30

  2. Which vitamin helps your blood clot? Vitamin C · Vitamin D · Vitamin K

    Vitamin K – Leafy greens like spinach are packed with vitamin K!

  3. Which tool lets doctors listen to your heart? Syringe · Stethoscope · Thermometer

    Stethoscope – The first stethoscope was just a rolled-up paper tube!

  4. Which word is a conjunction? Quickly · Under · But

    But

  5. What's the first thing to do for a minor burn? Pop any blisters · Run cool water · Apply butter

    Run cool water – Butter traps the heat and can make burns worse!

  6. Money a bank pays you for keeping savings there is called... A tax refund · A mortgage · Interest

    Interest

  7. Which mountains form the border between Europe and Asia? Andes · Urals · Alps

    Urals

  8. What is the traditional Japanese robe called? Sari · Hanbok · Kimono

    Kimono

  9. Which fruit has its seeds on the outside? Pomegranate · Strawberry · Watermelon

    Strawberry – A strawberry has about 200 seeds!

  10. Which of these is a producer in a food chain? Rabbit · Mountain lion · Oak tree

    Oak tree

  11. What is 3 squared plus 4 squared? 14 · 25 · 49

    25

  12. How many hours of sleep do teenagers need each night? 5-6 hours · 12+ hours · 8-10 hours

    8-10 hours

  13. You save $100 at 5% simple interest for 2 years. Interest earned? $105 · $10 · $5

    $10

  14. What is the normal human body temperature? 102.5°F · 94.2°F · 98.6°F

    98.6°F

  15. Which part of a cell contains the DNA? Ribosome · Nucleus · Membrane

    Nucleus – Your body has around 30 trillion cells!

  16. Which strait separates Europe from Africa? Bering Strait · Strait of Hormuz · Gibraltar

    Gibraltar

  17. Which sentence is correct? There late today · They're late · Their late again

    They're late

  18. What's the first step when changing a flat tire? Remove the wheel · Jack up the car · Park safely

    Park safely

  19. A credit score shows how well you... Spend cash · Repay debts · Earn money

    Repay debts – Scores usually run from 300 to 850!

  20. Which of these animals is a reptile? Frog · Salamander · Turtle

    Turtle – Frogs and salamanders are amphibians, not reptiles!

  21. Which is the longest mountain range on land? Rockies · Andes · Himalayas

    Andes

  22. In which country is the Running of the Bulls held? Mexico · Portugal · Spain

    Spain

  23. Which of these is a chemical change? Breaking glass · Rusting iron · Melting ice

    Rusting iron

  24. How often should you replace your toothbrush? Every 3 years · Every 3 weeks · Every 3 months

    Every 3 months

  25. Which Mexican holiday is called Dia de los Muertos? Christmas Eve · Day of the Dead · Mexican Independence Day

    Day of the Dead – Families build colorful altars to remember loved ones!

  26. What is the slope of the line y = 3x + 2? 2 · 5 · 3

    3

  27. Which sport has the most fans in the world? Basketball · Soccer · Cricket

    Soccer – About 3.5 billion people follow soccer!

  28. What should you do if you smell gas at home? Light a candle · Switch on lights · Get out fast

    Get out fast – Gas companies add a rotten egg smell so you notice leaks!

  29. A jacket costs $80 after a 20% discount. Original price? $64.00 · $100 · $96.00

    $100

  30. Which part of a cell produces most of its energy? Chloroplast · Golgi apparatus · Mitochondria

    Mitochondria

  31. How many chest compressions per minute does CPR recommend? 200 to 220 · 100 to 120 · 50 to 70

    100 to 120 – The beat of 'Stayin' Alive' matches the right pace!

  32. Which body of water is so salty you float without trying? Black Sea · Red Sea · Dead Sea

    Dead Sea

  33. Which US document begins with 'We the People'? The Declaration · The Constitution · The Bill of Rights

    The Constitution

  34. Which festival is celebrated with colored powder in India? Holi · Diwali · Eid

    Holi – Holi celebrates the arrival of spring!

  35. Solve for x: 2x + 6 = 20 7 · 6 · 13

    7

  36. What does RSVP mean on an invitation? Save the date · Please reply · Read and send

    Please reply

  37. Which blood cells help your blood clot? Platelets · Red cells · White cells

    Platelets

  38. Which scientist discovered penicillin? Fleming · Louis Pasteur · Marie Curie

    Fleming – It started when mold grew by accident on a lab dish!

  39. What is the pH of pure water? 14 · 7 · 1

    7 – Lemon juice has a pH of about 2!

  40. What is the capital of Argentina? Buenos Aires · Montevideo · Santiago de Chile

    Buenos Aires

  41. What is the area of a circle with radius 3? (use pi = 3.14) 28.26 · 18.84 · 9.42

    28.26

  42. What is inflation? Taxes falling · Prices rising · Banks closing

    Prices rising

  43. What is it called when plants lose water through their leaves? Transpiration · Photosynthesis · Respiration

    Transpiration

  44. Which law says every action has an equal and opposite reaction? Newton's third law · Newton's first law · Ohm's law

    Newton's third law

  45. Which line of longitude is at zero degrees? Tropic of Cancer · Prime Meridian · Equator

    Prime Meridian – It runs through Greenwich, near London!

  46. Which war ended with the Treaty of Versailles? World War I · World War II · Cold War

    World War I

  47. Which body system includes the brain, spinal cord and nerves? Nervous system · Digestive system · Circulatory system

    Nervous system – Nerve signals can travel at over 100 meters per second!

  48. What is 2 to the power of 10? 512 · 1,024 · 1,000

    1,024

  49. Which composer wrote the 'Moonlight Sonata'? Beethoven · Wolfgang Mozart · Johann Bach

    Beethoven

  50. What is the chemical symbol for potassium? K · P · Po

    K – K comes from kalium, the Latin name for potash!

  51. How many sides does a nonagon have? 9 · 8 · 10

    9