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Questions tagged [science]

Puzzles which require some knowledge of science to solve. Consider using the 'physics', 'chemistry' or 'computer-science' tags if your question is specifically about these branches of science.

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12
votes
1answer
310 views

Is it simple Math or something else?

Grandpa with his mischievous smile said: "If zero belongs to One And two belongs to Four Twenty seven belongs to Seven Then what belongs to Three?" Hint When I could not guess, I ...
5
votes
2answers
284 views

Fuzzy's Fuzzy Fuss

Fuzzy the Fuzzball had to admit it. He was broke. He didn't have a penny left to cover himself in fuzz. He was feeling totally drained. Everything he had ever taken was gone. Fuzzy felt like the very ...
2
votes
3answers
282 views

My Identity Is What I Am. So What Am I?

You hear me all the time Yet I am not sound You see me all the time Yet I cannot be seen You use me all the time Yet you do not realize it I created your world Yet most ignore me I am always ...
1
vote
2answers
213 views

Cyrus' Adventure (Part 3)

With a request from @OmegaKrypton, who is my best friend (one of), I'm doing part 3 earlier. The wall suddenly opened by itself and Cyrus saw a dark room at the end. Cyrus walked carefully along the ...
4
votes
3answers
229 views

Cyrus' Adventure (Part 2)

Cyrus walked through the huge door, which leaded to a hollow tunnel. It was very dark inside, so Cyrus lit up his torch. He walked through the tunnel, but he couldn't see any exit, except for where he ...
5
votes
4answers
791 views

The Motionless Floating Eraser [closed]

First question here; I hope this question fits the rules well :) So, first please see the two images below: As you can find yourself, the eraser appears to float motionless over the register's page, ...
2
votes
1answer
134 views

scientific logical puzzle theme for secondary students

I'm an university student doing an internship on escape room. Can you please give me some ideas/ theme relating to mathematics or science ?
15
votes
10answers
2k views

Two many rainbows?

Wish I’d had a camera at the time but a cartoon will have to suffice, representing two actual incomplete rainbows that stop in midair where they meet, lit only by a setting sun. This seemed so ...
8
votes
9answers
1k views

Do exactly what I say! [closed]

Inspired by Infinite Precision No, I'm not picky, I just want things done exactly right. Complete 5 of these tasks (tell me how you would do them) and I will give you exactly 25 bragging points. I ...
6
votes
3answers
260 views

True or False? Test it out!

Note: This is just a story made up by me for the puzzle. This is NOT a real assignment. Therefore, please DO NOT close this question. Thanks! The Puzzle: So, one day, my Science teacher, who loves ...
10
votes
4answers
2k views

Where does the emperor sit and why the earplugs?

The Emperor is annoyed that the crowd routinely chant out of step at the Empire's largest circular amphitheatre. For example, they are supposed to shout phrases in unison such as "Hail to the Emperor, ...
1
vote
4answers
285 views

The evil genius infinite plan

I'm an evil genius and I'll conquer the world with my minions :] My minions have just 2 egdes but in just 2 minutes I've produced an infinite amount of them. You'll see how I will conquer the world- ...
19
votes
1answer
442 views

Inner and outer space

An entry into Fortnightly Topic Challenge #41 : Short and Sweet. On aliens and mediums, the mathematician _______ said, 'There is __ _____ and __ __', __ scientific view did not accept them....
3
votes
2answers
199 views

Trapped In A Well (Beginner)

You ironically fall into the well, with no way to get out. You, of course try digging out from under, but only to find that a Tungsten plate is below, all you have is a rope, a rock, and one liquid of ...
12
votes
5answers
4k views

Hard 4x6 chocolate bar Riddle

You have the following 4x6 chocolate bar. The question is what is the least amount of cuts you have to do in order to create 24 pieces of 1x1 chocolates. the cuts can have any shape they want as long ...
11
votes
2answers
279 views

Capitalization matters in physics

A physics teacher saw the following in a student's work: $f=\mu n$ $Pa=\frac{n}{m^2}$ $T=\frac{n}{am}$ The teacher realized the student's capitalization was correct. What are these ...
4
votes
4answers
185 views

If you think you know me, you don't

Settle arguments is my plight Tempted to see me? I'll likely die As it stands, this riddle has many answers Common of riddles, only one is right EDIT + Hints Hint 2
13
votes
1answer
1k views

I'm not a fan of hedgehogs

Many have tried to beat me, many have failed. The earliest to succeed, is long-tailed. If you break me, silence is all you'll hear. The thunder will make the others fear. Others will ...
8
votes
6answers
587 views

Bongardium Leviosa

This was insprired by this puzzle. This follows the rules of a classic Bongard puzzle: find the rule that all shapes on the left follow, but none of the shapes on the right do. To make my intention ...
5
votes
1answer
160 views

A Bursting Ball of Fun!

Some say I'm real, some say I'm not, but all would agree that I'm very hot. I jump around from place to place, Lighting up whatever I touch. If you confront me face to face, You won't be ...
5
votes
2answers
220 views

How high is the tide [duplicate]

A boat has a ladder that has six rungs. Each rung is one foot apart. The bottom rung is one foot from the water. The tide rises at 12 inches every 15 minutes. High tide peaks in one hour. When the ...
12
votes
6answers
794 views

Science related rebus wordplay, what is it?

Can anyone figure out what this rebus wordplay is? Doing a Google search will help you a lot, and is recommended, but reverse image search would be doing basically all the detective work for you, so ...
8
votes
3answers
553 views

What on earth I am talking about?

When they told me to move away, I told I have no charge left . When they told me to curl around them, I told them to increase the intensity in the field . When I told him to curl, he was big zero . ...
0
votes
4answers
255 views

An animal related question [closed]

Here is an animal related question. It can be an animal or a riddle. Please give answer if you know and give necessary explanation. Which animal is 6-months male and 6-months female?
0
votes
3answers
353 views

How do you proved that A was killed by B? [closed]

There was a very calm day. There were three people called A, B and C in the middle of a ground. A was killed by either B or C. This incident was not seen by anyone (excluding B and C). So no one ...
84
votes
25answers
23k views

How do you prove that mirrors aren't parallel universes?

Migrated from WorldBuilding SE $:)$ "Each mirror is a world of it's own," Joe explains. "Joe, that's bulls***! Mirrors are just mirrors!" Rita proclaims. Joe proceeds to lay out the following~ $10~...
-2
votes
9answers
2k views

Ice Cube Lifting Puzzle [closed]

Here's an interesting scientific problem. Drop a small ice cube into a partially filled glass of water. Next, get a foot-long piece of thread or string. The puzzle is to remove the ice cube from ...
-8
votes
2answers
209 views

You have 6 burning candles [closed]

What's the answer for this question: You have 6 burning candles, and blow out two of them. How many candles are left standing after 24 hours? How do you know?
2
votes
1answer
130 views

A real life riddle [duplicate]

Suppose you are in a boat on a pond and you are holding a small 10 lb weight. You drop the weight into the water. Does the water level rise, stay the same, or lower?
0
votes
2answers
246 views

Please help Solve!

Retrospectively, Professor Siwel did Quite well with his follow-up representation, Currently utilized by generation X. The first clue given was: "A clue, the only uppercase letters that you need to ...
27
votes
3answers
1k views

Sculptures in a park

Edit: all the unhelpful clues, including bad hinting and misleading ASCII art, were removed and other, (hopefully) more sensible ones were added. You just moved to a new city, and your childhood ...
6
votes
1answer
292 views

Proof without chords

Anyone who has played in an ocar ina –subcontrabassoon quintet knows one thing well. Piccolo ocar ina inset from aliexpress.com.   Subcontrabassoon image from ...
33
votes
2answers
3k views

The Alien Message: What does it mean?

"Three hours ago, we received a urgent message from one of our exploration agents. I'm just going to play it for you in full." "I'm on Planet 193843. I've found a large stone block, 2.64 meters high, ...
19
votes
1answer
2k views

The Pitiable Coder

One day, I found an odd newspaper lying on a bench called '$\large\bf\text{The Pitiable Coder}$'. I opened it and to my delight found an entire page on puzzles! Most were easy, but there was one I ...
7
votes
1answer
161 views

Proof without curves

  Say, what’s that in the distance?   Could be a road full of cars or a wire full of electricity, or whatnot, but this much is for sure:    It is straight and infinitely ...
15
votes
4answers
2k views

Lifting is my best known work

Virtuous, but I'm of no form My seat's right at the very top Where gangs of many is the norm My one peer is one that goes 'pop' Though my uses are many Lifting is my best known work ...
7
votes
3answers
1k views

Go further out, I'm everywhere. What am I?

If you look about You will find me rare Try go farther out Then I'm everywhere Dare you anger me you shall die in flare Ignorant, ancients be the pharaoh's but my heir What am I?
21
votes
4answers
4k views

I consist of three things. What am I?

I am made up of 3 things, of which 2 things are same. I have a total of 10 something inside me. If you see me properly, I am a palindrome. What am I?
6
votes
7answers
2k views

Which cadaver woke? [closed]

A medical examiner works in Cadaversville, a place where the dead may sometimes wake in the off hours then die once more. While awake, they are not zombies and don't eat people. They just seem to be ...
6
votes
3answers
567 views

Graphical rebus riddle

I... I have some bad news. My computer broke. Yeah, really tragic. Luckily I have a backup computer, but there is a reason it is a backup. It was made a long time ago and... well, its completely ...
7
votes
2answers
214 views

Abstract, Mysterious & Chewable!

To find me you need look no further than behind the eye, Take your time to ponder and you'll see me in the sky, I can be shorter than a week or longer than a year, I repeat myself, ...
1
vote
2answers
197 views

Identifying Ancient Artifact

You are a group of archaeologists and scientists investigating an ancient cave. You set up and verify a presurization system at the entrance, which you can use to suck all the air out of the room, or ...
5
votes
3answers
476 views

Nerd on the Loose III - WHO, WHAT & WHY

Preface. After the extraordinarily easy "riddle", I guess I can wrap out everything in this "detective" puzzle. Background. Professor Swannie Taco is a genius in most fields of science and technology....
11
votes
1answer
4k views

My friend's snake will make me rich. Where should I take it?

My friend's talking snake came to me and asked: "Do you want to get rich?" I said "Yes." Then it told me "I know a place, if you take me there, I will rob from there for you." I asked "Where is that ...
17
votes
8answers
4k views

Infinite precision

The man tells you, "To enter the door of infinite precision, you must complete all of these tasks perfectly: Hold in front of me a baby that is exactly two days old. Bring me a metal object that ...
26
votes
4answers
2k views

This image contains a “Great Discovery”

The Puzzle: Source material taken from here As discussed on Numberphile, here is John Herschel's doodle, sent to his friend Charles Babbage. John H. John Herschel was an English polymath, ...
8
votes
4answers
454 views

Guessing is a four-letter word

This is my first riddle here — I hope it's not too easy. I killed my brother a long time ago, And if I'm right, running fast won't help you. My relatives are weaker, shorter; But I ...
1
vote
5answers
1k views

Sometimes I move like a snake other times I hit like a stone , What am I? [closed]

Sometimes I move like a snake other times I hit like a stone. I move very quickly , very faster than you. Try to race me and win , I will show you a magic trick that no magician has ever ...
-4
votes
2answers
228 views

Many things do it. What is this? [closed]

Sometimes wind does this, at other times water does this. Sometimes insects do this, at other times birds do this. Sometimes humans also do this. This thing keeps life moving. This ...