The best science jokes

Little Johnny's teacher asks, "What is the chemical formula for water?" Little Johnny replies, "HIJKLMNO"! The teacher, puzzled, asks, "What on Earth are you talking about?" Little Johnny replies, "Yesterday you said it was H to O!"
Vote: has 79.34 % from 377 votes. Send joke:

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"Yesterday, scientists revealed that beer contains small traces of female hormones. To prove their theory, the scientists fed 100 men 12 pints of beer and observed that 100% of them gained weight, talked excessively without making sense, became emotional, couldn't drive, and refused to apologize when wrong. No further testing is planned."
Vote: has 79.28 % from 88 votes. Send joke:

More jokes about: alcohol, beer, science, women
Physics is bound by the laws of Chuck Norris.
Vote: has 78.15 % from 31 votes. Send joke:

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Q: If H2O is the formula for water, what is the formula for ice? A: H2O cubed.
Vote: has 77.51 % from 17 votes. Send joke:

More jokes about: chemistry, science, winter
Q: What did the scientist say when he found 2 isotopes of helium? A: HeHe
Vote: has 76.80 % from 29 votes. Send joke:

More jokes about: chemistry, nerd, science
Some people break the laws of the state, Chuck Norris breaks the laws of physics.
Vote: has 76.27 % from 45 votes. Send joke:

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Chuck Norris dropped the apple on Isaac Newtons Head.
Vote: has 76.27 % from 45 votes. Send joke:

More jokes about: Chuck Norris, food, science
E only equals MC² because Chuck Norris allows it too.
Vote: has 75.97 % from 22 votes. Send joke:

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The Question Mark was invented after scientists attempted to measure the speed of a Chuck Norris Roundhouse Kick.
Vote: has 75.38 % from 38 votes. Send joke:

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A neutron walks into a bar. "Id like a beer" he says. The bartender promptly serves up a beer. "How much will that be?" asks the neutron. "For you?" replies the bartender, "no charge."
Vote: has 75.27 % from 27 votes. Send joke:

More jokes about: alcohol, bar, bartender, science