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.
1
Q1.
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
Select from the options above.
2
Q2.
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
Q3.
Murine typhus, Rocky mountain spotted fever and Boutonneuse fever are illnesses in a family known collectively as what kind of disease?
Select from the options above.
4
Q4.
What is an informal name for the drug "E"?
Select from the options above.
5
Q5.
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?
D
The Curie Curing Method
Select from the options above.
6
Q6.
Which of these bones is the lowest in the human body (when it is standing up!)?
Select from the options above.
7
Q7.
What is typically used to grind a telescope mirror to the surface wanted?
A
Sand and pumice in water
Select from the options above.