Science Quiz #1
Science and Nature Quiz for 21 January 2009
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.
What is the name of a device, consisting essentially of two wires of different metals, whereby heat energy may be changed to electrical energy?
Select from the options above.
2
Q2.
What is the result of the calculation (a + b)(a - b), if a=7 and b = 7?
Select from the options above.
3
Q3.
African and Indian elephants have a different number of nails on their feet. Respectively, they are …?
Select from the options above.
4
Q4.
What is the name given to the sample of the original lunar crust retrieved by astronauts James Irwin and David Scott during the Apollo 15 mission which is composed almost exclusively of the calcium-rich feldspar mineral anorthite.
Select from the options above.
5
Q5.
How many claws does a cat have?
Select from the options above.
6
Q6.
What is the gestation period of the African elephant?
Note: This question was updated in May 2015
Select from the options above.
7
Q7.
Digitalis is a genus of about 20 species of herbaceous perennials, shrubs, and biennials that are commonly called … ?
Select from the options above.