1 - The pH scale measures...

The concentration of hydronium ions.

The inverse concentration of hydronium ions.

The level of molecular activity

The concentration of NH- ions

2 - What is the greatest number of electrons that can fit into the first electron shell (also called an energy level)?

2

3

6

10

3 - What is the biggest asteroid in the asteroid belt between the orbits of Mars and Jupiter?

Eros

Ceres

Vesta

Pallas

4 - Who is credited with the wave theory of light?

Newton

Leibniz

Huygens

Maxwell

5 - What is the other giant spiral galaxy of the Local Group, along with the Milky Way?

Athena

Eurypides

Andromeda

Clytemnestra

6 - Who discovered and capitalized alternating current?

Edison

Tesla

Maxwell

Einstien

7 - Which of the following is not a formula for energy?

(mv²)/2 (where m is mass, and v is speed)

hf (where h is Planck's constant, and f is frequency)

ma (where m is mass, and a is acceleration)

mc² (where m is mass, and c is the speed of light)

8 - Which Space mission was described by James Lovell and Neil Armstrong as 'The most significant in the history of US spaceflight'?

Apollo 13

Apollo 8

Apollo 14

Gemini 4

9 - What was the diametre of the biggest Kamtchatka crab found?

56 cm (22 inches)

105 cm (42 inches)

180 cm (72 inches)

356 cm (140 inches)

10 - Which of these is an example of an extremophile?

Elephas maximus

Sequoiadendron giganteum

Architeuthis martensi

Bacillus infernus

11 - What is the name of the largest known cellestial body belonging to the Solar system that lies beyond the orbit of Pluto?

Deucalion

Quaoar

Varuna

Chaos

12 - Who was the first to propose the uncertainty principle, which is vital to quantum mechanics?

De Broglie

Heisenberg

Bohr

Einstein

13 - What is the collective name for the asteroids that are co-orbital with Jupiter?

the Trojans

the Achaens

the Jovenalians

the Lagrangins

14 - How many planets can be seen with normal 20/20 vision, unaided by telescopes, and unhindered by light polution?

6

7

9

8

15 - What model of rocket is shown below?

An Ariane IV An Ariane V A Delta IV A Proton (three-stages model)

16 - What is the process by which a eukaryotic cell divides into two new cells?

citesism

meiosis

cytokinesis

fission

17 - Which computer language was originally not interpreted?

Perl

Python

C

Basic

18 - Which of these aircraft designers was responsible for the Hawker Hurricane fighter plane?

Sir Frank Whittle

Reginald J Mitchell

Sir Sidney Camm

Sir Barnes Wallace

19 - What is one difference between RNA and DNA?

DNA has two strands while RNA contains three strands.

RNA uses uracil as a base instead of thymine.

In RNA, the pattern of nucleotides is in reverse order.

RNA is only found in cell walls or membranes.

20 - How was the NASA probe Climate Orbiter lost in 1999?

Bad insulation exposed the electronic circuit to extreme heat, fatally damaging it

A typing mistake when entering coordinates caused it to miss the red planet

A mixup between Imperial and Metric units in navigation data caused it to approach too near to Mars

The probe stopped responding for an unknown reason while it was already in orbit

 

  

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