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Who developed, the ?rst commercial process for smelting pig iron to manufacture steel?

(Henry) Bessemer

Tags: Inventions,

Under the same temperature and pressure, all gases contain the same number of molecules; whose law? In which century did he postulate this?

Avogadro, nineteen century

Where, speci?cally, did the ?rst moon landing take place?

The Sea of Tranquility

If the ozone layer were to lie upon the surface of the earth, approximately how thick would it be: 3 mm, 3 cm or 3 m?

Only 3 mm

How many faces does a dodecahedron possess? And what 2D shape is each face?

Twelve, pentagonal

What is de?ned as mass divided by density?

Volume

Tags: Equations,

What word is given to the part of a fraction above the line?

Numerator

In which three scientific disciplines are Nobel Prizes awarded?

Physics, chemistry and physiology/medicine

Tags: Nobel Prize,

Before Dolly, the cloned sheep, there were Megan and Morag; in what way was Dolly unique?

She was cloned from an adult cell, whereas Megan and Morag were cloned from embryo cells

If circle A is placed within a larger circle B, what is the term for the space between the circumference of A and the circumference of B?

Annulus

What is the SI unit of thermodynamic temperature?

Kelvin

Tags: Units,

Which scientific theory postulates that subatomic particles are tiny one- dimensional loops?

String theory

In the classic atom model, do the electrons orbit the nucleus or does the nucleus encase the agitated electrons?

the electrons orbit the nucleus

Tags: Atoms,

Rayleigh scattering accounts for which everyday phenomenon?

The blue appearance of the daytime sky and the reddening at night

Broca's area in the human brain is responsible for which function?

Speech and articulation

Tags: Human Body,

It used to be called quicksilver - by what name is this element now known?

Mercury

Tags: AKA, Periodic Table,

What name is given to a positively charged electron?

Positron

Tags: Atoms,

What was first demonstrated in a Surrey quarry by scientist Arthur Nobel in 1867?

Dynamite

Galactose is one of the three main monosaccharides (simple sugars); what are the other two?

Glucose and fructose

What anomaly connects bromine and mercury?

They are the only elements to take liquid form at ambient temperature

Tags: Periodic Table,

In which direction would Foucault's pendulum turn if it were erected in Sydney, Australia?

Anti-clockwise

'Nitrogen-fixing' converts nitrogen into which gas (chemical symbol NH3), useful for soil nutrition and food production?

Ammonia

Crick and Watson discovered that the DNA molecule was what particular shape?

Double helix

Tags: Inventions,

What is measured in Pascals?

Pressure

defined as Newtons per metre squared

Tags: Units,

The British overseas territory Gough Island, part of the Tristan da Cunha group, is a World Heritage wildlife site - in which ocean is it located?

South Atlantic

How many human chromosomes are there?

Forty-six (labelled A-G and then X and Y)

23 pairs of chromosomes

Tags: Human Body,

The name of which type of rock derives from the Latin for fire?

Igneous

Tags: AKA,

What was the primary objective of the alchemists of the middle ages, whose early experiments with metals and minerals were the forerunner of chemistry?

To find or create the Philosophers Stone

What was the occupation of the Greek scientist Galen, whose work was at the forefront of thinking in his field for over 1000 years?

A physician (doctor)

The modern branch of mathematics called algebra came to the West from which area?

The Arabic world, where it was known as al-jabr