Volta and Galvani

Volta

Full name Count Alessandro Giuseppe Antonio Anastasio Volta
Italian physicist, famous for the invention of the electric cell
Invented the electrophorus, a device used to create static electricity
Investigated the reaction of gases such as methane with an electric spark
Named electric charges V and Q, and stated that in any given object they are proportionate
Stated that a frog’s [...]

The Battle of Britain

Operation Sea Lion

Was the German codename for the Invasion of Britain
To consist of a channel crossing by small boats guarded by Luftwaffe (airforce)
In reality this was not feasible as there were not enough craft (boats)
Reliant on the Luftwaffe to smash Britain’s air force
Due to the failure of the Germans to completely destroy the British at [...]

5 Big Concepts on Gender

Concept 1
All men are the same sex, but they all express gender a little differently. In a group of men, there are as many different versions of gender as there are men.
Concept 2
Gender is learned. It is learned from parents, family, peers, the media and their education.
Concept 3
Gender can change – and can be adopted [...]

Rate of Reaction

Different chemical reactions take place at different speeds
Many, particularly those involving solutions, seem to take place instantaneously
Others take rather longer; the conversion of plant material to coal can take millions of years
As the reaction progresses, the concentration of the reactants decreases, and that of the products increases, but continuous measurements of concentration is not easy
Quantities [...]

Causes for World War II

Treaty of Versailles
Left the Germans angry and bitter, eager for revenge. The Allies forced the Germans to accept heavy territorial losses, huge reparations, blame for the war and disarmament. Here was the basis for another war.
The League of Nations
Set up to keep world peace but was weak and ineffective. Japan’s invasion of Manchuria and Italy’s [...]

The Transformation of Sydney

A Product of:

Globalisation: The OPEC crisis of 1974 triggered a New International Division of Labour which resulted in many industries shifting offshore to low labour cost nations of Asia. This was accompanied by the deregulation of banking which allowed capital to flow freely around the world facilitating TNCs setting up branch plants for manufacturing overseas.
Technological [...]

Pathogens

Bacteria

Prokaryotic (cells with no nucleus)
Gram positive or gram negative (indicate different cell wall chemicals)
Some produce toxins and secrete them (endotoxins) e.g: tetanus
Others breed up in large numbers and when they die they release endotoxins
Respond to antibiotics

Fungi

Eucaryotic (have a nucleus)
For example yeast, thrush, tinea, condidious, ringworm

Protozoa

Eucaryotic (have a nucleus)
Malaria is caused by a parasite called plasmodium

Disease

Anything which interferes with normal bodily function.

Health: A state of physical, social and mental wellbeing.
Infectious disease:

Caused by a pathogen
Can be caught

Pathogen:

A disease causing organism
Parasitic (feed off and breed in a host)
Note that all parasites are not pathogen

Some diseases are caused by infectious agents (not organisms): e.g virus particles
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