Science — worst jokes

How did the aliens hurt the farmer?
→ They trod on his corn.

What did the alien say to the gas pump?
→ Don't you know its rude to stick your finger in your ear when I'm talking to you!

Two aliens from outer space landed in Las Vegas and were wandering around the casinos. One of them volunteered to go inside and see what was happening. He came out looking rather shocked.

"What's the matter?" asked his friend.

"It's a very popular place," replied the first alien.

"It's full of creatures that keep throwing up little metal discs."

- Teacher: What is the formula for water?

- George: H,I,J,K,L,M,N,O

- Teacher: Is that the formula I gave you?

- George: Sure, you said H to O!

- Science teacher: What happened when electricity was first discovered?

- Fred: Someone got a nasty shock.

- Teacher: Can anyone give me the name of a liquid that won't freeze?

- Pupil: Hot water!

- Teacher: What can we do to stop polluting our waters?

- Pupil: Stop taking baths?

- Teacher: What is a comet?

- Pupil: A star with a tail

- Teacher: Can you name one?

- Pupil: Lassie!

- Teacher: What's happens to gold when it is exposed to the air?

- Pupil: It's stolen!

- Teacher: Give me three reasons why the world is round

- Pupil: Well my dad says so, my mum says so and you say so!