Science Quiz #242
Science and Nature Quiz for 4 September 2013
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1
Q1.
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?
C
The manufacture of horses' bridles
Select from the options above.
2
Q2.
What clothing item made of synthetic material was first sold in Wilmington Delaware in 1939?
Select from the options above.
3
Q3.
What is the chemical symbol for phosphorus?
Select from the options above.
4
Q4.
Where would you NOT find Fourier transforms being used directly?
B
Reconstructing a crystal structure from its diffraction pattern
D
Equalising audio recordings
Select from the options above.
5
Q5.
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
Q6.
Where is the Sea of Fertility?
A
In the high mountain area of Peru
Select from the options above.
7
Q7.
Aspartame is a chemical used as what?
Select from the options above.