1 - Which of the decimal number below corresponds to the binary number 00101010?
2 - Which of these was NOT the name of a US Spacecraft?
3 - What is the most massive planet in the Solar System?
4 - What is the most abundant gas in the atmosphere?
5 - To which country does the .ie domain suffix belong?
6 - Who first observed the moons of Jupiter?
7 - For what accomplishment did Einstein receive a Physic Nobel Prize?
8 - What is the speed of light?
9 - What is approximatively the circumference of the Earth?
10 - What are the 4 Galilean Satellites?
11 - Which of these is heavier ?
12 - Roughtly how long ago did the Sun form?
13 - How was the length of a meter originally defined?
14 - Brass is an alloy of which two metals?
15 - Which of these is a star?
16 - In the English system of measurement, what was the original value of a yard? (it is now 36 inches)
17 - Which of the following companies has not developed an 'Office suite' of programs for the Windows OS?
18 - Euclid's 'The Elements' is a book about what?
19 - From which country is Linus Torvalds, writer of the Linux kernel?
20 - Who developed the laws of electromagnetic induction?