13 of the most stupid questions teachers have heard in the classroom

There's no such thing as a stupid question... we're not so sure.

If you're looking for some entertainment, the AskReddit section of Reddit is a great place to pass a few minutes and today's most popular thread is hilarious.

It's sharply titled, " Teachers of Reddit: They say there are no stupid questions, but what's the most stupid question a student has ever asked you?

Teachers all over Ireland have probably heard stuff like this and a whole lot worse, these are the best responses we found on the thread.

• "After a lengthy explanation of the effects of volcanic eruptions on human communities, I had a student ask me why on earth people even make volcanic eruptions." - Imagineamelon
• "A girl in my honors science class asked the teacher, and was 100% serious, if ramen grew on ramen trees." - SaxyMatt
• "How do islands not float away? Really big anchors. He wrote it down." - Mjrfrankburns
• "My mom is a teacher's assistant in 5th class. A few weeks ago a girl asked,"Are bears still real?" - deepfriedkelp
• "While I was student teaching, I had a student ask where Texas was on the map I was projecting on the screen. The map was of China." - UrsulaMajor
• "I don't want to sit next to the radiator. Won't I get radiation sickness?" - batty3108
• "Had a student ask me, "What are those pyramid-shaped things in Egypt called?" Never seen a class laugh that hard before." - mamaisinhere
• A girl in physics asked, "If there's a speed of light...what's the speed of dark?" - jordansahls
• "Whenever I have a professor that tells us to ask anything because there are no stupid questions I immediately raise my hand and ask "why do meteorites always land in craters?"" - Nurum
• "Science teacher here. A student asked, "Is the Earth round like a ball or round like a plate?"" - spartacus_1138
• "Not a teacher, but once had a student in my US History class ask "If time zones are real, why didn't China warn us about 9/11?"" - elk845
• "A secondary school student once asked "When the snow melts, where does all the white go?" - classic89

If you're a teacher, tweet us or comment on Facebook with the best/funniest/most stupid lines you've heard in the classroom.