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100
This number of colors are in a rainbow
7.
100
the closest star to Earth
Sun
100
The hardest natural substance
diamond
100
smallest country in the world
Vatican, Rome
100
Of the six noble gases, which is the lightest
Helium
200
One of these is a cool color: Red, Orange, Yellow, Green
Green
200
This singing voice is the highest pitch:
Soprano, tenor or baritone?
Soprano
200
The part of the human eye that controls the amount of light that passes through the pupil
Iris
200
Ascorbic Acid is another name for which Vitamin?
A, B or C?
C
200
there about 700 of in the human body
muscles
300
The name of this instrument 
French horn
300
The type of tree prunes come from
Plum tree.
300
"Don't eat my cake!" is an example of which kind of sentence:
Declarative, Imperative, Interrogative, Exclamatory
Imperative
300
Which is taller: The Eiffel Tower or The Statue of Liberty?
Eiffel Tower
300
The most popular and most consumed fruit in the world
bananas
400
the name of the toy cowboy in Toy Story
Woody
400
Two parts of the body that continue to grow for your entire life
Nose and ears
400
The first country to make use of paper money
China
400
The last name of aviation pioneers Orville and Wilbur
Wright
400
This athlete has won the greatest number of gold medals at a single Olympics
Michael Phelps
500
the name of the town where The Flintstones live
The Bedrock
500
Bees have this many pairs of wings
2
500
the biggest spider in the world
Tarantula
500
In which sport might you ‘spike’ and ‘block’
volleyball
500
This microscopic organism is often called "the building block of life"
Cell