Logic (Riddles)
Fill in the blank:
A>B
B>C
C>D
D>E
E _ A
<
33 =
27
The melting point of water is _________. (exact unit required)
0oC or 32oF
The largest planet in the solar system is:
Jupiter
Name the three main parts of a plant system.
Leaves, Stem, Root
A scientist is growing bacteria that doubles every day. On the 200th day, his plate is full of bacteria. When was a quarter of his plate covered by bacteria?
Day 198
How many numbers are in {0,3,6,9,...,24,27}?
10
Baking soda and vinegar reactions produce this gas. What is it?
Carbon dioxide
When you apply the brakes, you will eventually stop. What kind of force causes this?
Friction
What is the laziest organ in the human body?
The brain (It just sits there, telling everything else in the body to work.)
A tells the truth
B lies
C tells the truth
D lies
E __________.
We don't know anything about E
A person flips a fair coin 5 times. What is the chance of it being all heads?
1/32
True or false: All atoms have neutrons.
False: Hydrogen does not always have neutrons.
An ohmmeter measures:
Resistance
Name all the organs in the digestive system, in order from top to bottom and the direction of travel. (Liver is not needed in this question.)
Mouth, Esophagus, Stomach, Small intestine, Large intestine
Fill in the blank: O T T F F S S E N _ (one answer only)
T
The sum of five consecutive integers is 15. What is the smallest integer?
1
Fill in the blank: H He Li Be B C N O _ (one answer only)
F
Virtual
How do plants move water upwards from its roots to its leaves
Osmosis
A person died of old age at the age of 20. How is this possible?
He is born on Feb 29
What is the chance of a nickel landing on heads? (much harder than you think)
5999/12000 because there is a 1/6000 chance of it landing on its side.
These elements will never react with anything. Which category do they belong in?
Noble Gases
Why does the Moon show the same side to us every time?
It is tidally locked with Earth
What is cell division after fertilization?
Meiosis