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100

What is the heaviest animal on land?

An elephant

100

This animal is the tallest animal in the world.

A giraffe

100

What is the largest animal in the ocean?

A whale

100

This is one of the fastest animals in the world.

A cheetah

100

What is the tallest mountain in the world?

Mount Everest

200

Which city is larger?

Moscow or Saint Petersburg?

Moscow

200

What is the longest river in Russia?

The Ob

200

What is the fastest animal in the world?

The peregrine falcon

200

What is the smallest bird in the world?

The bee hummingbird

200

Which is the world's largest continent?(Africa, Europe, Asia, North America, South America, Australia, Antarctica)

Asia

300

What country is the most populated?

China

300

What is the coldest continent in the world?

Antarctica

300

Which country is bigger?

Australia or Great Britain?

Australia

300

Which is the world's deepest lake? 

 Lake Baikal in Siberia/Russia

300

What is the largest city in the world?

Tokyo

400

Which continent has the world's highest mountains?

Asia

400

What is the planet's biggest lake?

The Caspian has an average depth of 211 metres/ 690 ft. The huge lake shores are bordered by five countries: Russia, Kazakhstan, Turkmenistan, Iran and Azerbaijan.

400

Which is the world's smallest continent?

Australia

400

What is the oldest living animal?

A turtle

400

What is the closest planet to the sun?

Mercury

500

Which is the world's largest ocean? 

The Pacific Ocean

500

What is the lowest place on Earth?

Dead Sea

500

Which continent has most countries? (Africa, Europe, Asia, North America, South America, Australia, Antarctica)

Africa: 54 countries.

500

What is the world's largest island?

Greenland, which is almost four times smaller than Australia. However, Australia is  a continent and not as an island.

500

What is the largest planet in our solar system?

Jupiter

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