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AS-Level & A-Level OCR 2025 Physics A Data, Formulae and Relationships Booklet

Features of *Romantic Songs - Lieder* - correct answer Singer and Piano (reflects mood) Story telling In German Dramatic and Emotional Strophic or through-composed Leitmotifs Features of *Pop Ballads* - correct answer Vocals are important because they tell a story clear and unhidden by vocals Often slow and sad and tell a love story each verse has same rhythm with different lyrics. Rock Ballad = heavy drums, amplified guitar Folk Ballad = acoustic guitar Accompaniement reflects th...

Stakeholder - correct answer Anyone with an interest in the success of the business. can b internal e.g. employees or external e.g. customers. Accountability - correct answer the obligation of an individual or organisation to account for their activities and accept responsibility for them. SMART targets - correct answer Specific, Measurable, Achievable, Reasonable and Timed targets. The 4 Objectives (sequence of objectives) - correct answer All businesses have 4 key objectives which are...

Abiotic components - correct answer Components of an ecosystem that are non living Abiotic factors - correct answer Non living components of an ecosystem that effect other living organisms Acetycholine - correct answer Chemical that acts as a transmitter that diffuses across synaptic cleft Acetycholinesterase - correct answer Enzyme in synaptic cleft that breaks down acetycholine. After it has triggered an action potential in the post synaptic neurone, acetycholine must be broken down o...

why do specimens need to be thin when observing them under a light microscope? - correct answer to allow light to pass through identify and explain the starch test - correct answer add iodine dissolved in potassium iodide solution to the sample - positive test = blue-black - negative test = orange-brown why is the structure of the plasma membrane often referred to as the fluid mosaic model? - correct answer - the continuous bilayer is 'fluid' as the phospholipid molecules are constantl...

Moray: Research Method - correct answer Laboratory Experiment Moray: Experimental Design - correct answer 1. Repeated Measures 2. Independent Measures 3. Repeated Measures Moray: Independent Variables - correct answer 1. Dichotic Listening Test, recognition test 2. Instructions prefixed by participants name or not 3. Digits in both messages of only one AND answer question about shadowed message or remember the numbers Moray: Dependent Variables - correct answer 1. number of words re...

what is water of crystallisation? - correct answer water molecules that make up part of the crystal structure of a solid define relative isotopic mass - correct answer the ass of an atom of an isotope of an element relative to one twelfth the mass of an atom of C-12 why is relative atomic mass written as a decimal? - correct answer it is a weighted average mass define molecular formula - correct answer the actual number of atoms of each element in a compound define what an orbital is...