GCSE Study guides, Class notes & Summaries

What is an organic compund? : The substances that form the basis of all living things; all contain carbon atoms What is a functional group? : An atom or a group of atoms which give organic compounds their characteristics What is a homologous series? : A group of organic compounds that react in a similar way (same functional group) Describe the combustion of alkenes : Produces CO₂ and H₂0 Smoky, yellow flame e.g. ethene + oxygen -> carbon dioxide + water 2 C₂H₄ + 3O₂ -&g...

Bad (immoral) : - Heinous - Abhorrent - Iniquitous - Vile - Reprobate Happy (delighted) : - Euphoric - Jubilant - Ecstatic - Elated - Mirthful Sad : - Melancholy - Morose 2 - Dismal - Poignant - Pitiful Angry : - Indignant - Exasperated - Resentful - Enraged - Outraged Fast : - Swift - Rapid - Agile - Nimble - Brisk Big : - Colossal 3 - Gargantuan - Immense - Capacious - Mammoth Small : - Miniscule - Microscopic - Meager - Miniature - Diminutive Confu...

what apparatus is used in the gas syringe practical? : ⦁ gas syringe ⦁ stand ⦁ boss & clamp ⦁ measuring cylinder ⦁ dilute hydrochloric acid (different cont.) ⦁ calcium carbonate ⦁ conical flask ⦁ stop clock how do you perform the gas syringe practical? : ⦁ set up gas syringe with boss & clamp ⦁ using a measuring cylinder, 50cm3 of HCl to conical flask ⦁ add 0.4g of calcium carbonate to the flask ⦁ connect gas syringe and start stop watch 2 ⦁ every 10 seco...

Conformity : A form of social influence where we change our beliefs and behaviours to fit in with others. Obedience : Behaving as instructed. Situational factors : External factors that influence the way we behave and how likely we are to conform. Majority influence : The behaviour of a large group of people affects the behaviour of small groups of people. The behaviour of the larger group is adopted by the smaller group. Minority influence : A small group of people can create a chang...

dystopian : An imagined society that is negative in some way, for example an oppressive society. genre : a major category or type of literature literary device : Any method an author uses to add meaning or interest to a text, such as metaphors, similes or alliteration. literary fiction : Fiction written with serious artistic intentions prose : Any writing that is not poetry novel 2 : An extended piece of prose fiction. novella : a short novel or long short story short story : A...

hyperbole : extreme exaggeration used for effect e.g. this suitcase weighs a ton simile : describing something by comparing it to something else using the words 'like' or 'as' personification : describing something non- human as if it is human e.g. 'the angry sky' metaphor : describing something by saying it is something else alliteration : when words begin with the same consonant sound sibilance : repetition of the 's' sound 2 rhetorical question : a question used for effe...

Compound/complex sentences : Definition - Compound sentence - because, and etc. e.g. 'Safier has nice eyebrows because he gets them done.' Connectives : Definition - Word's that join sentences e.g. 'also, as well, meanwhile, on the other hand.' Emotive Language : Definition - Language to make the reader feel. e.g. 'The little boy fell down the stairs.' 2 Foreshadowing : Definition - Something that will happen. e.g. 'The atmosphere or the story could change from positive...

declarative sentence : A sentence that states a fact or statement, it declares something Interrogative sentence : A sentence ending in ? Exclamative sentence : A sentence ending in ! Imperative sentence : A sentence that commands or tells you to do something! concrete noun : Physical objects e.g. man, horse, lamp post proper nouns : People, Capitals, Places, Brands 2 Abstract nouns : Can't hold e.g. Love, wind Dynamic verbs : doing works e.g. Kicked, walked, running stative ver...

1 (a) The materials that products are made from are chosen because of their properties. Figure 1 shows a table of products. For each of the products shown, give a property of the material it is made from that makes the material suitable for the product. The first one has been done for you. Picture of product Material and product Property DONOT WRITEIN THISAREA SKETCH BOOK Cotton T-shirt Polyester resin printed circuit board (PCB) Balsa wood toy plane Stainless steel kitchen scisso...

1 Computers (a) The CPU contains a number of components. (i) Complete the table with the correct bus for each role. (3) Bus Role Carries a read signal to main memory. Carries the memory location of a piece of data. Carries an instruction from main memory to the CPU. (ii) Identify the component inside the CPU that stores data. (1) A Arithmetic logic unit B Clock C Main memory D Register