Red
Blue
Yellow
Green
Purple
100

In which country is the Blue Lagoon?

Iceland

100

In which country is the Copacabana beach?

Brazil

100

Dubai’s Sustainable City relies mainly on which type of renewable energy?

solar power

100

What did China’s Emperor Yang order the construction of in the year 605?

China’s Grand Canal

100

What is the capital of Iceland?

Reykjavik

200

On average, a teenager spends between 7 and 11 hours a day doing what?

watching a screen

200

A solar power station in the Indian state of Tamil Nadu has 2.5 million what?

solar panels

200

The Transoceanic Highway connects which two South American countries?

Peru and Brazil

200

The scientist Charles Czeisler studies the effects of which chemical on the human body?

caffeine

200

The development of what type of renewable energy led to protests in England’s Lake District?

wind power

300

What is cortisol?

a hormone related to stress

300

The “green island” Pulau Ubin is part of which country?

Singapore

300

In which decade of the 20th century was oil first discovered in Dubai?

the 1960s

300

In Central America, around 14,000 ships per year pass through which waterway?

the Panama Canal

300

The Gotthard Base Tunnel runs through which mountain range?

the Alps