Animals
Technology
Anatomy
Chemistry
Weather
100

The fastest land animal in the world

What is a cheetah?

100

FireFox, Chrome, and Safari

What are web browsers?

100

The bones around your heart

What are ribs?

100

Stratus, cirrus, cumulus and nimbus

What are clouds?

200

The tallest animal in the world

What is a giraffe?

200

Earth's primary source of energy

What is the sun?

200

The colored part of in the front your eye 

What is an iris?

200

The first element on the periodic table

What is hydrogen?

300

A group of lions

What is a pride?

300

An American astronomer who had a space telescope named after him

Who is Edwin Hubble?

300

The bones that make up your spine 

What is a vertebrae?

300

They orbit the nucleus of an atom

What are electrons?

400

The phobia of spiders

What is Arachnophobia?

400

A gaming company founded in the year 1889

What is Nintendo?

400

The flow of blood through your heart and around your body

What is circulation?

400

The center of an atom

What is a nucleus?

500

A group of jellyfish

What is a smack?

500

He founded Microsoft with Bill Gates

Who is Paul Allen?

500

The biggest human organ

What is skin?

500

The only metal that is liquid form at room temperature

What is mercury?