Science Quiz #237
Science and Nature Quiz for 31 July 2013
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1
Q1.
How many degrees are there in the angle on either side of a straight line?
Select from the options above.
2
Q2.
Which of these was the name of a mission to explore Mars?
Note: This question was updated in January 2022
Select from the options above.
3
Q3.
A plasma display panel contains many tiny cells between two panels of glass which hold a mixture of noble gases. The gas in the cells is electrically turned into a plasma which emits ultraviolet light which then excites what to emit visible light?
Select from the options above.
4
Q4.
Why is the ratio of the speed of a projectile to the speed of sound called the Mach number?
A
It is a shortened form of the Italian word "Macho"
B
It is an acronym for "Moving Article Calculated for Haste"
C
It is named after the first plane to exceed the sound barrier
D
It is named after an Austrian physicist
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5
Q5.
Which of these is a type of butterfly?
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6
Q6.
What is a "devil's coach horse"?
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7
Q7.
A nectarine is a shiny-skinned variety of what?
Select from the options above.