additional science aqa key words T,U

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  • Created by: Sam
  • Created on: 17-03-13 23:02
Terminal velocity
The velocity reached by an object when the drag force on it is equal and opposite to the force making it move
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Thermal decompostion
The breakdown of a compound by heat
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Thermistor
Device with a resistance that varies with temperature
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Thermosetting polymer
Polymer that can form extensive cross-linking between chains, resulting in rigid materials which are heat resistant
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Thermosoftening polymer
Polymer that forms plastics which can be softened by heat, then remoulded into different shapes as they cool down and set
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Thinking distance
The distance travelled by the vehicle in the time it takes the driver to react.
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Three-pin plug
A three-pin plug has a live pin, a neutral pin and an earth pin. The earth pin is used to earth the metal case of an appliance so the case cannot become live
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Tracer
A small amount of a rasioactive substance used to give information about a mechanical or biological system
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Transect
A measured line or area along which ecological measurements are made
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Universal indicator
A mixture of indicators which can change through a range of colours depending on the pH of a solution. Its colours is matched to a pH number using a pH scale. It shows how strongly acidic or alkaline liquids and solutions are.
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Other cards in this set

Card 2

Front

The breakdown of a compound by heat

Back

Thermal decompostion

Card 3

Front

Device with a resistance that varies with temperature

Back

Preview of the back of card 3

Card 4

Front

Polymer that can form extensive cross-linking between chains, resulting in rigid materials which are heat resistant

Back

Preview of the back of card 4

Card 5

Front

Polymer that forms plastics which can be softened by heat, then remoulded into different shapes as they cool down and set

Back

Preview of the back of card 5
View more cards

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Former Member

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On piece of advice good but separate into biology, chemistry and physics as most people have them as separate exams so to prevent confusion

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