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Fun Science Facts

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  • (Human Body) 🩸 How long do red blood cells live?
    Not long enough
    About 365 days
    About 7 days
    About 120 days
  • (Physics) ⚡ What travels faster, light or sound?
    They travel the same speed
    Sound
    Light
    Depends on the weather
  • (Human Body) 👃 How many smells can the human nose detect?
    Over 1 trillion
    Over 1 billion
    Over 1 million
    Every smell in the canteen
  • (Space) ☀️ How long does light from the Sun take to reach Earth?
    24 hours
    1 hour
    Depends on traffic
    8 minutes
  • (Animals) 🦟 How many times can a mosquito flap its wings per second?
    Too many times
    100 times
    600 times
    1000 times
  • (Chemistry) 🔥 At what temperature does paper burn?
    100 degrees Celsius
    Hot enough
    500 degrees Celsius
    233 degrees Celsius
  • (Physics) 🌡️ What is absolute zero in Celsius?
    Minus 273 degrees
    Really really cold
    Zero degrees
    Minus 100 degrees
  • (Human Body) 🧠 What percentage of the brain is water?
    About 73%
    About 30%
    About 50%
    Not enough apparently
  • (Human Body) 🧬 How many kilometres of DNA are in a single human cell?
    Microscopic obviously
    About 2 metres when uncoiled
    About 2 millimetres
    About 2 kilometres
  • (Animals) 🐌 How fast does a garden snail move?
    About 0.5 km/h
    About 0.05 km/h
    About 1 km/h
    Slower than Monday morning
  • (Human Body) 👁️ How many muscles does it take to blink?
    1 muscle
    6 muscles
    3 muscles
    Too many to count
  • (Human Body) 🦷 What is the hardest substance in the human body?
    Tooth enamel
    Fingernail
    Skull obviously
    Bone
  • (Plants) 🌻 Which direction do sunflowers face at night?
    They droop downward
    They spin around
    They face west
    They face east waiting for sunrise
  • (Human Body) 🫁 How many times does the average person breathe per day?
    Around 50000 times
    Not enough during exams
    Around 5000 times
    Around 20000 times
  • (Chemistry) 💧 What is water made of?
    Wet stuff
    2 hydrogen and 1 oxygen atom
    1 hydrogen and 2 oxygen atoms
    3 hydrogen atoms
  • (Animals) 🐙 How many hearts does an octopus have?
    1
    2
    Enough to love everyone
    3
  • (Space) 🌍 How fast is the Earth spinning at the equator?
    About 500 km/h
    About 100 km/h
    About 1670 km/h
    Fast enough to make me dizzy
  • (Animals) 🐝 How far can a bee fly to collect nectar in its lifetime?
    Further than my dad drives
    Equivalent to 3 times around the Earth
    About 1000 km
    Equivalent to once around the Earth
  • (Animals) 🐧 Which direction do all penguins live — north or south pole?
    Wherever it is coldest
    North pole only
    Both poles
    South pole only
  • (Physics) 🧲 What makes the Earth act like a giant magnet?
    The Moon's gravity
    The atmosphere
    Magic obviously
    Molten iron in its core
  • (Space) ☄️ At what speed do meteorites enter Earth's atmosphere?
    Up to 1 km per second
    Up to 70 km per second
    Very very fast
    Up to 10 km per second
  • (Space) 🚀 How fast does the Earth travel around the Sun?
    About 107000 km/h
    Very very fast
    About 1000 km/h
    About 10000 km/h
  • (Animals) 🦈 How many teeth can a shark grow in its lifetime?
    Up to 10000
    Up to 50000
    Enough to scare everyone
    Up to 1000
  • (Space) 🌑 How long does a solar eclipse last at maximum?
    Not long enough
    About 7 minutes
    About 1 hour
    About 30 minutes
  • (Space) 🔭 How many planets are in our solar system?
    7
    9
    Depends who you ask about Pluto
    8
  • (Plants) 🌵 How long can a cactus survive without water?
    Forever apparently
    Up to 1 month
    Up to 2 years
    Up to 6 months
  • (Animals) 🐬 How do dolphins sleep?
    They don't sleep
    With half their brain awake
    Fully unconscious like humans
    Very carefully
  • (Chemistry) ☢️ What is the most radioactive natural element?
    Plutonium
    The school microwave
    Polonium
    Uranium
  • (Animals) 🐋 How long can a blue whale hold its breath?
    Up to 90 minutes
    Up to 10 minutes
    Up to 30 minutes
    Longer than me in maths
  • (Space) 🌌 How many stars are estimated to be in the Milky Way?
    1 million
    1 trillion
    200-400 billion
    More than enough
  • (Space) 🌕 How long does it take the Moon to orbit the Earth?
    7 days
    27 days
    Whenever it feels like it
    365 days
  • (Chemistry) 🧪 What is the most abundant gas in Earth's atmosphere?
    Nitrogen
    The smell of school lunch
    Oxygen
    Carbon dioxide
  • (Animals) 🐘 How long is an elephant pregnant before giving birth?
    22 months
    Long enough to regret it
    12 months
    9 months
  • (Space) 🌍 How many Earths could fit inside the Sun?
    About 100000
    My mum said billions
    About 10000
    About 1 million
  • (Human Body) ❤️ How many times does your heart beat in a day?
    Around 10000 times
    Only when scared
    Around 100000 times
    Around 1 million times
  • (Plants) 🌳 How old is the oldest living tree on Earth?
    Over 1000 years
    Older than my teacher
    Over 5000 years
    Over 10000 years
  • (Animals) 🦁 How much can a lion sleep per day?
    Up to 8 hours
    More than my dad on Sunday
    Up to 20 hours
    Up to 12 hours
  • (Plants) 🎋 How fast can bamboo grow in a single day?
    Up to 1 metre
    Faster than my homework
    Up to 91 cm
    Up to 10 cm
  • (Human Body) 💀 How many bones does an adult human have?
    Enough to rattle
    300
    206
    150
  • (Space) 🪐 How long is one day on Venus?
    Half an Earth day
    The same as Earth
    Venus doesn't do Mondays
    Longer than a year on Venus
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