#21 - Science Acronym Puzzle
W F at 32 D F.
Water Freezes at 32 Degrees Fahrenheit
#22 - Spatial Science Riddle
We have four gears with below features=> Both Gear A and D has 60 teeth=> Gear B has 40 teeth=> Gear C has 20 teeth=> Every two minutes, Gear B makes 25 full turns.What is the relative speed of Gear A and Gear B?
Both A and D will rotate at Same speed. Gears of the equal size will rotate at constant speeds despite or any sized gears in between them.
#23 - Science What Am I
I am the child of the water, yet when I return to the water, I die.
What am I?
Ice
#24 - Who Am I Science Puzzle
I am the one who remains awake when you sleep. But I need to rest when you awake. Who Am I?
I am your Subconscious Mind.
#25 - The Physics Tea Riddle
On a beautiful Sunday morning, You ordered a hot team to your hotel room and suddenly you remember an important thing that needed to be done right now will take around 3 minutes to complete.
Like most people you like your tea to be hot while drinking so, when should you pour cream in the tea ?
1. straight away
2 Just people, you drink the team
3. Its do not matter
The heat transfer is driven by the fact of the temperature difference between two objetcs. Since initially tea is very hot so temperature difference is high and hence it will cool down fast.
Now when we add cream to team it not only increase the mass of tea (more mass and hence more time to cool) but also adding cream to tea will bring down the temperature instantly but later will cool down slowly. Hence cream should be added Straight away.
#26 - L Lawliet Chemist Murder Mystery
To attend world science seminar, A famous chemist from Russia visit
Tokyo(Japan). In the lab, the scientist was killed and his six assistants were under suspicion of killing the chemist.
Name of six assistants: Austin, Wayne, Dege, Oscaru, Lingard, and Rojo.
He left a note "76-20-44 79-16-22-7"
A local detective L Lawliet was called to solve the case,
After reading the note, L Lawliet instantly asked the police to arrest the murderers.
Who are the murderers?
Oscaru and Austin.
Explanation:
The Chemist hide the name using periodic table as shown in below picture
76-20-44 => Os(76) + Ca(20) + Ru(44)
79-16-22-7=> Au(79) + S(16) + Ti(22) + N(7)
#27 - Apple In Bottle Brain Teaser
How was a full-sized apple placed inside a thin-necked glass bottle without breaking the bottle or cutting the fruit?
The apple grew inside the bottle. The bottle was placed on the tree branch before the apple was formed.
#28 - Science Riddle
What is black when you buy it, red when you use it, and gray when you throw it away?
Charcoal
#29 - Science Series Puzzle
H, Be, F, S, Mn, Kr, In, Gd, Tl, ?
What's the next in the series?
Fm.
These are the chemical elements whose atomic numbers are perfect squares.
1, 4, 9, 16, 25, 36, 49, 64, 81, 100.
#30 - Easiest What Am I Science Riddle
Identify Me
Hint1: I am a god
Hint 2: I am a planet
Hint 3: measurer of heat.
Mercury