Three of the largest islands in the group are called Oahu, Maui and Kauai. These islands became the fiftieth state of the United States in 1950.

In which of these countries does everyone live in a city and no one in the countryside: Yemen, Iceland or Singapore?

The official languages of the United Nations are the six most-spoken languages in the world. They are Chinese, French, English, Arabic, Russian and which language?

Where do people make the most rubbish: Japan, Sweden or the USA?

Where do the most people own cars: Portugal, Italy or South Korea?

G8 is a group of eight rich and powerful countries. They are the USA, Japan, Germany, the UK, France, Italy, Russia and which country?

In which country are there zero births per year?

Which country has the fewest people per square kilometre: Lybia, Australia or Kazakhstan?

He was the first person to walk on the moon, in July 1969.

Charles Darwin visited these islands in Ecuador in the 1860s. Many animals on the islands don't live in other parts of the world.

He was the first man in space, in April 1961

It is a line of naturally growing rocks under the sea near Australia. Millions of wonderful fish live there in the shallow waters.

It is a great waterfall on the Zambezi River in central Africa.