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Science Quiz #669

Science and Nature Quiz for 10 November 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 calculating the balance of pressure and upthrust which enables an object to float, the force on a given surface of the object is the pressure multiplied by what?

A
The density of the liquid
B
The area of that surface
C
The depth at which the object will sit
D
Gravity
Select from the options above.
2

How fast does the Earth at its equator spin round its axis?

A
About 1,040 miles per hour (1,670 km/h)
B
About 1,040 miles per second (1,670 km/s)
C
About 1,040 miles a day (1,670 km/d)
D
About 100 miles per hour (161 km/h)
Select from the options above.
3

Murine typhus, Rocky mountain spotted fever and Boutonneuse fever are illnesses in a family known collectively as what kind of disease?

A
Influenza
B
Haemorrhagic
C
Coronaviruses
D
Rickettsial
Select from the options above.
4

What is an informal name for the drug "E"?

A
Exciting
B
Ecstasy
C
Excellence
D
Enlivening
Select from the options above.
5

What is a method of preserving and sterilising food, in which a product is processed under very high pressure, leading to the inactivation of certain microorganisms and enzymes in it?

A
The Fleming Process
B
Pasteurisation
C
Pascalisation
D
The Curie Curing Method
Select from the options above.
6

Which of these bones is the lowest in the human body (when it is standing up!)?

A
Cranium
B
Sternum
C
Patella
D
Pelvis
Select from the options above.
7

What is typically used to grind a telescope mirror to the surface wanted?

A
Sand and pumice in water
B
Shark skin
C
Purbeck clay
D
Loess
Select from the options above.
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