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100

The only planet in our solar system that has visible rings from earth

Saturn

100

Largest organ in the human body

The liver

100

Only mammal capable of true flight

Bat

100

Largest species of shark in the world

Whale shark

100

What is the only letter that is not in the name of any of the us states

200

There are this many days in a leap year

366 days

200

The name of the line at zero degrees latitude

the equator 

200

Largest moon in our solar system

Ganymede

200

The chemical symbol for silver

Ag

200

What is the karg desert in the world 

Antarctica 

300

A word that repeats same spelling both forward and backward

A palindrome

300

Planet with the most moons in our solar system

Saturn

300

Capitol of canada

Ottawa

300

The planet in our solar system in which takes the most time to orbit the sun

Neptune

300

The scientific name for the fear of the number 13

Triskaidekaphobia

400

Largest ocean in the world 

Pacific Ocean

400

Only continent that lies in all four hemispheres

Africa

400

What type of rock forms when hot magma cools

Igneous

400

The deepest known point in earths oceans

Challenger deep

400

What is the element that has the symbol W

Tungsten 

500

The hardest natural substance on earth

Diamond

500

The name of the study of earthquakes

Seismology 

500

What is the smallest unit of an element that still has the properties of an element

An atom

500

Which scientist is known for proposing the three laws of planetary motion?

Johannes Kepler

500

The only continent with no active volcanoes

Australia

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