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Fruit
Famous People
Science
Numbers
100
Many people call it a fruit, but it is technically a large herb.
What are bananas?
100

This person wrote famous children's books like "Matilda", "James and the Giant peach" and "The Big, Friendly Giant"

Who is Ronald Dahl?

100
To find this, take the mass of an object and divide by its volume.
What is density?
100
This pretty cool number is never ending.
What is pi?
200
This popular fruit is 98 percent water.
What is a watermelon?
200
This little guy, although not too famous, was the fourth brother in Rice Krispies before the 1950's.
Who is Pow?
200
This is the only substance of which (at one time) it's volume, mass, and cm cubed will all be the same.
What is water?
200
This number multiplied by its self is equivalent to half of the number multiplied by ten. (x*x=(X/2)*10)
What is the number five?
300
Strawberries are the only exception to this because their seeds are on the outside.
What is the rule of fruit?
300
This breakfast mascot has a classic quote of "they're grrreat!"
Who is Tony the Tiger?
300

This planet is the closest to the sun.

mercury

300
This is the only number that is both a cube and a prime number.
What is the number one?
400
A hand-held fruit with a well known homonym.
What is a pear?
400

This person formulated gravitational theory in 1665 or 1666 after watching an apple fall and asking why the apple fell straight down, rather than sideways or even upward.

Who is Isaac Newton?

400
These are the two house-hold cleaning items you should never mix. (unless you want to face an untimely death by inhaling a deadly gas)
What are bleach and ammonia?
400

Ancient Greek hotshot Euclid was famously known as “The BLANK of Geometry.”

What is Father?

500
Take an orange, make juice out of it (by squeezing), and you'll get this.
What is one-hundred percent fruit juice?
500

In the book series Harry Potter, which character gets the "dark mark" in the 6th installment/book? 

Who is Draco Malfoy
500
This is the only dwarf planet that is not also a plutoid.
What is Ceres?
500

This number is the square root of the square root of 14,641

What is 11?