Math Marvels
What is the only even prime number?
2
Make a real word from these letters:
"KOBO"
Book
What do you call the process where plants release oxygen into the air?
Photosynthesis
What is chemical symbol for water?
H2O
What is the largest planet in our solar system?
Jupiter
If you multiply me by any number, the result is always me. What number am I?
0
Homonym
What human organs never stop growing?
Ears and nose
What is the most abundant gas in Earth's atmosphere?
Nitrogen
How many bones does an adult human body have?
206
A farmer has 15 cows, and all but 9 run away. How many cows does he have left?
9
Which word is a compound word?
"Basketball", "Play", or "Sky"?
Basketball
What is the largest organ in human body?
The Skin
What is the main ingridient in table salt?
Sodium chloride
What is the only country in the world that has a square flag?
Switzerland
If a train travels 60 miles in 1 hour, how far does it travel in 2.5 hours?
150 miles
Rearrange the letters in "LISTEN" to form a different word.
SILENT
Which part of a plant is responsible for photosynthesis?
Leaf
What is the pH of a neutral solution?
7
What is the name of the first artificial satellite launched into space?
Sputnik
I am a number. Multiply me by 4, then subtract 6, and you get 18. What number am I?
6
Which word will sound the same even if you remove its last letters one by one?
(Hint: it is related to waiting)
QUEUE
Name the process by which cells divide to form two identical daughter cells.
Mitosis
What color is litmus paper in an acid?
Red
Which historical figure is known for saying "I think, therefore I am"?
Rene Descartes