SocSci QUIZ

True or False: Australia is wider than the moon.

• True

• False

Answer explanation

Australia is 600 km wider than the moon. The moon sits at 3400 km in diameter, while Australia's diameter from east to west reaches about 4000 km.

In the world, Australia is the only continent without an active volcano.

• True

• False

Answer explanation

Australia is the only continent without any active volcano because the area does not have any plate boundaries.

The Great Barrier Reef off the coast of Australia is NOT the world’s largest coral reef system.

• True

• False

Answer explanation

The Great Barrier Reef is the world's largest coral reef system. It has an area of approximately 344,400 km^2. 

Australia is the world's largest island and is also the world's largest continent.

• True

• False

Answer explanation

Australia is indeed the world's largest island, but it isn't the world's largest continent. The world's largest continent is Asia.

Health services, agriculture, and tourism are included as major industries in Oceania.

• True

• False

Answer explanation

There are a lot more industries in Oceania than stated in the question. Health services, tourism, and agriculture are one of the few major industries in Oceania.

Estimated of how many years ago was the island of Australia inhabited by indigenous people?

• 32,000 years ago

• 58,490 years ago

• 60,000 years ago

• 16,500 years ago

Answer explanation

Aboriginal Australians are the oldest indigenous people in Australia. They have lived in Australia for over 60,000 years.

Which of the following are flowering plants native to Oceania?

• Roses

• Hibiscus

• Tulips

• Chrysanthemums

Answer explanation

The jacaranda, hibiscus, pohutukawa, and kowhai are flowering plants native to Oceania.

 

Australia is one of the leading producers of bauxite, iron ore, gold, lead, diamond, and ______.

• Lithium

• Lapis

• Emerald

• Copper

Answer explanation

Australia is an ancient continent with a wealth of mineral resources. Australia has relatively flat terrain and is sparsely populated, both of which favor exploration and mine development.

Oceania has the world’s highest concentration of ______. These include animals like kangaroos, koalas, kiwi birds, and wombats.

• Amphibians

• Reptiles

• Marsupials

• Mammals

Answer explanation

Oceania is home to a large number of marsupials because there were never any terrestrial placental mammals there to compete with them in the past.

What island in Oceania has the cleanest air in the world?

• Fort Denison

• Lion Island

• Ball’s Pyramid

• Tasmania

Answer explanation

Tasmania has the cleanest air because before the air reaches the Tasmanian coast, it gets purified as it travels thousands of kilometers over the ocean.