Animals
Humans
Space
Ocean & Land
100

The largest animal on Earth.

What is a blue whale?

100

Approximately 71% of the Earth's surface is covered by this.

What is water?

200

This bird can fly backwards, unlike most other birds.

What is a hummingbird?

200

This forest has an estimated 400 billion trees

What is the Amazon Rainforest?

300

This creature has three hearts and blue blood.

What is an octopus?

300

While identical twins share the exact same DNA, they still possess completely different versions of these unique skin ridges

What is a finger print?

400

This is the largest type of Cat in the world.

What is a Tiger?

400

If you stretched out the DNA in a typical human cell, it would be approximately this long.

What is 2 meters?

400

This planet has the tallest known volcano in our solar system

What is Mars?

500

This unusual amphibian can regrow lost limbs and even repair parts of its heart.

What is an axolotl?

500

This is the closet major galaxy to the Milky-way

What is the Andromeda Galaxy