1 - How was the length of a meter originally defined?
2 - Who owns the trademark C(ompact) D(isc)?
3 - What is El Nino?
4 - What is the most abundant gas in the atmosphere?
5 - Which physical law is behind the idea of a rocket engine?
6 - Of the following, which is the closest definition of a laser?
7 - What is approximatively the circumference of the Earth?
8 - What particularity of Europa is of particular interest to scientists?
9 - Refraction is due to:
10 - What is a micro-kernel?
11 - How many more times heavier is the Sun than the Earth?
12 - Who first observed the moons of Jupiter?
13 - What does the acronym ASCII stand for?
14 - Which of these is a self propagating, self replicating computer program?
15 - What are the 4 Galilean Satellites?
16 - Which of these was NOT the name of a US Spacecraft?
17 - What is the most massive planet in the Solar System?
18 - Who developed the laws of electromagnetic induction?
19 - Brass is an alloy of which two metals?
20 - Which is not a computer graphics file standard?