Science
History
Mathematics
Animals
100

What is it called when birds fly to warmer climates for the winter?

migration

100

The first atomic bomb was dropped in which city?

Hiroshima

100

What is the smallest prime number?

2

100

What is the longest river in the world?

The Nile

200

What do you call a person who studies the weather?

A meteorologist

200

Who invented the light bulb?

Thomas Edison

200

What is the top number of a fraction called?

numerator

200

Which is the largest rainforest in the world?

The Amazon rainforest

300

How many teeth do most adult humans have?

32

300
In which country did the Olympic Games originate?

Greece

300

What is another name for the perimeter of a circle?

circumference

300

Which is the largest continent on Earth?

Asia

400

What is the fear of spiders called?

Arachnophobia

400

Which was the first country to use paper money?

China

400

How many pints are there in a gallon?

8

400

Which is the largest ocean on Earth?

the Pacific

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