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Science Quiz #242

Science and Nature Quiz for 4 September 2013

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 1906, Lee de Forest developed a "triode" to amplify and convert alternating current to direct current, which played a major role in the development of which invention?

A
Refrigerator
B
Radio
C
The manufacture of horses' bridles
D
The thatching of roofs
Select from the options above.
2

What clothing item made of synthetic material was first sold in Wilmington Delaware in 1939?

A
Underwired brassière
B
Nylon stockings
C
Terylene plus fours
D
Elastic braces
Select from the options above.
3

What is the chemical symbol for phosphorus?

A
Ph
B
P
C
K
D
Pb
Select from the options above.
4

Where would you NOT find Fourier transforms being used directly?

A
Creating a JPEG image
B
Reconstructing a crystal structure from its diffraction pattern
C
Preparing fertilisers
D
Equalising audio recordings
Select from the options above.
5

How are coffee beans harvested?

A
Plucked from a tree like apples
B
Dug up from the ground like potatoes
C
Threshed from stalks like wheat
D
Picked up from the ground like cabbages
Select from the options above.
6

Where is the Sea of Fertility?

A
In the high mountain area of Peru
B
On the Moon
C
Round the Maldives
D
Due north of Sweden
Select from the options above.
7

Aspartame is a chemical used as what?

A
Defoliant
B
Sweetener
C
Ointment
D
Dye
Select from the options above.
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