73 Science Jokes for Kids + Your Inner Nerd (Printable)

These science jokes for kids are great for teachers and students to enjoy together. The collection includes environmental science jokes, chemistry jokes, earth science jokes, and science knock-knock jokes!

For more jokes about school, visit our other collections: school-appropriate jokes, student and teacher jokes, exam jokes, jokes for teens, history jokes, and science riddles.

Funny Science Jokes for Kids

These general science jokes for kids are hilarious!

•  What did one tectonic plate say when he bumped into the other? – Sorry! My fault.
• What did the biologist wear to impress his date? – Designer genes.
• What do you call an accountant for the biology department? – A buy-ologist.
• How did the astronaut serve dinner? – On a flying saucer.
• Why is it so hard to wake up in the morning? – Newton’s First Law: A body at rest wants to stay at rest.
• How many biologists does it take to change a light bulb? – Four. One to change it and three to write the environmental-impact statement.
• What did the scientist say to the chemist whose lab smelled like eggs? – Sorry for your sulfering.
• What did the science book say to the math book? – You’ve got problems.
• What sound does a subatomic duck make? – Quark.

• Why do researchers look forward to Fridays? – They can wear genes to work.
• What do you call a bunch of iron atoms at a carnival? – A ferrous wheel.
• Why is the dieting advice to “eat light” so dangerous? – That’s how you become a black hole.
• Did you hear about the two red blood cells that fell in love? – It was all in-vein.
• How do you throw a party in space? – You planet.
• How do we know that Saturn was married more than once? – Because she has a lot of rings!
• How did the astronaut serve dinner in outer space? – On flying saucers!
• What is a rocks favorite cereal to eat? – Coco-pebbles!
• How do Scientists freshen their breath? – With Experi-Mints!

Why did the cloud date the fog? – Because he was so down to earth.

• What did the thermometer say to the graduated cylinder? – You may have graduated, but I have more degrees.
• What do you call it when your science teacher lowers your grade? – Bio-degraded.
• What’s the matter? – Solid, liquid, gas.
• Why doesn’t the photon have any luggage? – He’s traveling light.
• Do you know why I don’t trust atoms? – Atoms make up everything.
• Why is the mushroom always invited to parties? – He’s a fungi.
• What did the cell say when it bumped its foot during the night? – Mitosis!
• How do you cut the sea in half? – With a sea-saw.
• What is the fastest way to determine the sex of a chromosome? – Pull down its genes.
• Why did the scientist take out his doorbell? – He wanted to win the no-bell prize.
• What do you call a rude hydrocarbon? Crude oil
• Why don’t ants get sick? Because they have anty bodies
• How often should you tell a chemistry joke? Periodically
• What was the name of the first Electricity Detective? – Sherlock Ohms.

Related Post: Math Jokes

• What do you call two diamonds going for a meal together? Carbon dating
• Did you hear about the expert on nuclear energy? He was a real afissionado
• Why did the two 4’s skip lunch? They already 8
• What are the hardest books to read? Friction books
• What is a scientist’s favorite dog? A lab
• What does Earth say to make fun of the other planets? – “You guys have no life.”
• What kind of hair do oceans have? – Wavy hair
• What do you call an acid with an attitude? – A-mean-oh-acid.
• Where do astronauts leave their spaceships? At parking meteors
• How do trees surf on the internet? – They log in!
• Why are there so many bad chemistry jokes? All the good ones Argon
• How do you know that Saturn has been married multiple times? – Because she has a lot of rings!
• Why does a burger have less energy than a steak? – A burger is in its ground state.

Environmental Science Jokes

These jokes about environmental science are perfect for test day!

• What is a tornado’s favorite game? – Twister.
• What do you call a biologist’s self-portrait? – A cell-fie.
• What kind of plant grows on your hand? – Palm tree.
• What is a tree’s least favorite month? – Sep-timber!
• How can you tell the ocean is friendly? – It waves.

Chemistry Jokes

Use these chemistry jokes for the first day of school or when trying to get the whole class’s attention.

• What type of fish is made out of 2 sodium atoms? – 2 Na.
• Why are chemists so good at solving problems? – They’re always working with solutions.
• Where did the chemist have his lunch? – On a periodic table.
• Why did the chemist read the book on helium so fast? – He couldn’t put it down.
• What did the chemist say when he heard oxygen and magnesium were dating? – OMg
• Why did the biologist break up with the physicist? – They had no chemistry.
• Why are chemists so great at solving problems? – They have all the solutions.
• What fruit contains barium and double sodium? – BaNaNa.

Earth Science Jokes

Earth science jokes! YAY. You might also like the Earth Day Jokes collection.

• Why didn’t the sun go to college? – Because it already had a million degrees!
• What do planets like to read? – Comet books.
• What does Earth say to tease the other planets? – You guys have no life.
• What did the volcano say to his wife? – I lava you!
• When were rock puns the funniest puns of all time? – During the Stone Age.
• What did the limestone say to the geologist? – Don’t take me for granite.

• How can you tell a tree is a dogwood tree? – By its bark, wavy, swimming trunks.
• What did the Atlantic Ocean say to the Pacific Ocean? – Nothing, Oceans don’t talk… they just wave!
• What did the Atlantic Ocean say to the Indian Ocean? = Try and be more Pacific!

Science Knock-Knock Jokes

Knock knock! Who loves science knock-knock jokes? I DO!

• Knock, knock. Who’s there? Juicy. Juicy who? Juicy last night’s episode of the Big Bang Theory? 
• Knock, knock. Who’s There? Ohms! Ohms who? Sherlock Ohms at your service.
• Knock, Knock. Who’s There? Prism! Prism who? It’s the police if you don’t open the door you’re going to Prism! 
• Knock, Knock. Who’s There? Uranium-235! Uranium-235 who? If you don’t open this door I’m gonna split. 
• Knock, knock. Who’s There? Saturn! Saturn who? I saturn my phone or I would’ve called.