Question 1

What is the furthest you can see with the naked eye?

2.5 million light years

1 million light years

10 million light years

4.8 million light years

Question 2

If the Earth were made into a black hole, what would be the diameter of its event horizon?

50mm

19mm

75mm

62mm

Question 3

How many hearts does an Octopus Have?

Question 4

In 1930 Albert Einstein and a colleague were issued US patent 1781541. What was it for?

X-Ray Machine

bulb

Refrigerator

Question 5

If you fell down an airless, frictionless hole going all the way through the Earth, how long would it take to fall to the other side? (To the nearest minute.)

42 minutes

50 minutes

38 minutes

2 minutes

Question 6

To the nearest thousand, how many hairs are there on a typical human head?

10,000,000 hairs

10,000 hairs

20,000 hairs

40,000 hairs

Question 7

Who invented man-made fizzy drinks?

Joseph Priestley

William Wordsworth

Charles Louis

Posco Lee

Question 8

How many grams of salt (sodium chloride) are there in a litre of typical seawater?

None

Question 9

Who dropped a hammer and a feather on the Moon to demonstrate that without air they fall at the same rate?

David R. Wilson

Alice Wordsworth

David Hamilton

David R. Scott

Question 10

Who invented the gramophone?

Emile Berliner

Thomas Edison

Joseph Sanders

None

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