General Science
Animals
Human Body
USA
Food
100

How much part of the earth is covered with water?

71%

100

What is a baby frog called?

Tadpole

100

Which is the largest organ of the human body?

Skin

100

How many stars are on the U.S. flag?

50

100

Is a tomato a fruit or vegetable? 

Fruit

200

What is the smallest unit of matter called?

Atom

200

Which is the biggest mammal on Earth?

Blue Whale

200

How many teeth does an adult human have?

32

200

What is the national bird of the United States?

Bald Eagle

200

What fruit is known for having seeds on the outside?

Strawberry

300

Which is the most common shape in nature?

Hexagon

300

Which is the only mammal that can fly?

Bat

300

Which is the strongest bone in the human body?

Femur (thigh bone)

300

Which state has the most people (largest population)?

California

300

What breakfast cereal mascot is a leprechaun?

Lucky Charms

400

Which is the only metal to exist in liquid state at normal temperature?

Mercury

400

Which animal lays the biggest egg in the world?

Ostrich

400

What part of the human body is made up of the most bones?

Hands

400

What year was the Declaration of Independence signed?

1776

400

What is the most widely eaten food worldwide?

Rice

500

How many elements are there in the periodic table?

118

500

How many hearts does an octopus have?

Three

500

What is the most abundant mineral in the human body?

Calcium

500

What is the name of the USA national anthem?

"The Star-Spangled Banner"

500

Which country gets credit for developing French fries?

Belgium

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