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Science Quiz #631

Science and Nature Quiz for 17 February 2021

A new science quiz is available each week. Try our daily general knowledge quiz or work through our archive of daily and themed quizzes.

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1

In astronomy, what is AU?

A
The mean distance of the Sun from the Earth
B
The aphelion of Uranus
C
The Baily's beads effect
D
The Goldilocks range of orbits around a star within which a planet could support liquid water
Select from the options above.
2

Which of these is most likely to contain lactose?

A
Beer
B
Milk
C
Water
D
Gin
Select from the options above.
3

A rhombus has how any sides?

A
6
B
5
C
4
D
8
Select from the options above.
4

Which of these is the name of 13 books written in Alexandria around 300 BC, a collection of definitions, axioms, theorems, constructions and proofs was used as the basic text on geometry throughout the Western world for about 2,000 years?

A
Euclid's Elements
B
Principia Mathematica
C
Geometry for Dummies
D
The 13 Pillars of Wisdom
Select from the options above.
5

What device measures its the proper acceleration relative to freefall, and is increasingly used in portable electronic devices and video game controllers to detect the orientation of the device or provide game input?

A
Accelerometer
B
Cyclotron
C
Gravimeter
D
Centrifuge
Select from the options above.
6

What device, invented by Peter Cooper Hewitt in 1902 and obsolete by 1975 with the introduction of devices such as the silicon diode and thyristor, converts alternating current to direct current by means of putting electricity through vapor?

A
Iron pole converter
B
Carbon rod transformer
C
Mercury arc rectifier
D
Manganese current exchanger
Select from the options above.
7

The sausage tree, Kigelia or Worsboom is native to which continent?

A
Asia
B
Africa
C
Europe
D
South America
Select from the options above.
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