GCSE

What are 'Mechanical Properties'? - ANSWER-Properties of materials, including strength, hardness, density, durability, toughness, malleability, elasticity and ductility What is 'bending'? - ANSWER-The ability to withstand forces that are attempting to bend What is 'compression'? - ANSWER-The resistance to forces that are trying to crush or shorten What is 'shear'? - ANSWER-The resistance to forces sliding in opposite directions What is 'tension'? - ANSWER-The resistance to ...

Stakeholders - ANSWER-Individuals or groups of individuals who affect or are affected by a business Give 8 examples of stakeholders - ANSWER-1. Government 2. Owner 3. Employees 4. Financiers 5. Community 6. Costumers 7. Managers 8. Suppliers Consumer Goods - ANSWER-Goods and services that are produced for consumers Producer Goods - ANSWER-Goods or products sold from one business to another Needs - ANSWER-Essentials needed for human survivial Wants - ANSWER-Luxury items th...

0-5 - ANSWER-The temperature a refrigerator should be kept at: 5-63 - ANSWER-The danger zone: 72 - ANSWER-The temperature at which harmful food poisoning bacteria is killed: -22 - ANSWER-The temperature for freezing foods in a freezer: -18 - ANSWER-Bacteria becomes dormant/ The temperature for storing foods in a freezer: 0-3 - ANSWER-The temperature a chiller should be kept at: High risk foods - ANSWER-Foods at the highest risk of contamination (eg, dairy products, cheese, meat...

Acceleration (definition) - ANSWER-Acceleration is how quickly the velocity is changing Acceleration (the formula) - ANSWER-acceleration = change in velocity/time taken v (in the acceleration formula stands for...) - ANSWER-final velocity (the v in v-u/t) u (in the acceleration formula stands for...) - ANSWER-initial velocity (the u in v-u/t) Units of acceleration - ANSWER-m/s² Distance-time graph - ANSWER-Tells you how far an object has moved and how long it took Gradient - A...

physics - ANSWER-the study of matter and energy Hypothesis - ANSWER-An educated guess bias - ANSWER-A particular preference or point of view that is personal, rather than scientific. economic issues of science - ANSWER-Our society may not be able to afford things which scientists recommend (Electric Cars) Social issues in science - ANSWER-Decisions based on scientific evidence which affect people (Banning alcohol) Environmental issues in science - ANSWER-Although fossil fuels are ...

What are the two main types of cell - ANSWER-Prokaryotic Eukaryotic Which cells are prokaryotic - ANSWER-Bacteria What cells are eukaryotic - ANSWER-Plant animal and fungal What are the differences between the two types of cells - ANSWER-Prokaryotic cells are smaller in size Prokaryotic doesn't have a nucleus The genetic material is in a single dna loop or small rings called plasmid What are plasmids - ANSWER-Loops of dna that can be transferred from one cell to another Wher...

cornea - ANSWER-refracts light and protects eye iris - ANSWER-controls how much light enters eye lens - ANSWER-focuses light onto retina optic nerve - ANSWER-carries impulses to brain retina - ANSWER-layer of tissue at the back of the eye that contains photoreceptor cells sclera - ANSWER-tough outer layer vitreous humour - ANSWER-maintains shape of eye aqueous humour - ANSWER-maintains pressure in eye and nourishes cornea ciliary muscles - ANSWER-change shape of lens for ...

Data - ANSWER-A general term for facts and figures. Before items of data are input into a computer system, they have not been processed or organized. Information - ANSWER-Data that has been processed or organized by the computer. It is the output from a computer system. Data processing - ANSWER-The process of transforming data into information. Happens inside the computer. Constant - ANSWER-The same as variables except their initial assigned value cannot be changed during the program's...

Good - ANSWER-A tangible product which satisfies wants and needs. Service - ANSWER-An intangible product which satisfies wants and needs. Consumer - ANSWER-- People who buy goods and services for their own personal use only. Producer - ANSWER-- People who make and supply goods and services by combing factors of production. - They are responsible for the SUPPLY element of demand. - They can be individuals, firms, or governments. Government - ANSWER-- A group that makes rules and...

surface area of a cone - ANSWER-πr x slanted length x πr^2 area of trapezium - ANSWER-1/2(a+b) x height circumference of a circle - ANSWER-π x d volume of a cuboid - ANSWER-l x w x h volume of a pyramid - ANSWER-1/3 x area of base x h distance - ANSWER-speed x time density - ANSWER-mass/volume pressure - ANSWER-force/area Pythagoras' Theorem - ANSWER-a^2 + b^2 = c^2 Quadratic equation - ANSWER-when ax^2 + bx + c = 0 Sine rule - ANSWER-a/sinA = b/sinB = c/sinC ...