NOW TRY OUR FIRST 20 BRAINTEASERS...

UNIVERSE

1 PLANET Earth is located in which spiral arm of the Milky Way galaxy?

A. The Orion Arm B. The Perseus Arm C. The Major Arm D. The Norma Arm

2 WHAT scientific instrument was first used by Ancient Greek astronomers to map the stars?

A. Telescope B. Astrolabe C. Orrery D. Oracle 3 HOW many people at a time normally live on the i nternational space station?

A. Three B. Six C. Twelve D. 24

4 WHICH one of these planets in our solar system has the most moons?

A. Jupiter B. Uranus C. Saturn D. Venus

5 THE first rockets were made by the Chinese using tubes made of . . .

A. Bamboo B. Iron C. Paper D. Bronze

NATURAL WORLD

6 LIMESTONE rocks near the top of Mount Everest contain . . .

A. Gold B. Seashells C. Pumice D. Weevils

7 WHAT special talent can the raft spider boast of?

A. It can weave webs of gold B. It can jump high C. It can kill rats D. It can walk on water

8 AN AUROCH, a now extinct species from Asia, Europe and North Africa was a type of wild . . .

A. Pig B. Horse C. Ox D. Ostrich

9 INSECTS make up what percentage of all known species on Earth? A. 5 per cent B. 50 per cent C. 80 per cent D. 99 per cent

10 MUDSKIPPERS (left) are fish that have the ability to do what?

A. Absorb oxygen through their skin B. Sleep on the seafloor C. Dig tunnels underground D. Hop on one fin

HUMANS

11 APPROXIMATELY how many human cells could fit on the head of a pin? A. 10 B. 100 C. 1,000 D. 10,000

12 WHICH of the following wa s not a human species?

A. Homo neanderthalensis B. Homo habilis C. Homo bono D. Homo erectus

13 roughly how many bones does the average adult have?

A. 86 B. 206 C. 760 D. 1,006

14 Where in your body would you find the ciliary muscle?

A. The thigh B. The thumb C. The eye D. The nose

15 A Game s i milar to modern-day football was played in which country more than 2,000 years ago?

A. England B. Germany C. China D. India

MODERN WORLD 16 In Which year was the Apple iPhone (below) launched?

A. 2001 B. 2007 C. 2010 D. 2013

17 What i nspired Dutch doctor Willem Kolff to i nvent an artifi ci al kidney?

A. A racing car B. A TV game show

C. A washing machine D. A flushing toilet

18 Wood s ponge is a recently invented artificial material used for what?

A. Growing trees B. Measuring water levels C. Making cushions D. Cleaning up oil spills

19 Swedish activist greta thunberg was born in which year?

A. 2003 B. 2004 C. 2005 D. 2006

20 When was the first .com address for a website registered?

A. 1972 B. 1985 C. 1991 D. 1996