A mind map abour measurement. Measurement is the quantification of attributes of an object or event, which can be used to compare with other objects or events. The scope and application of measurement are dependent on the context and discipline. In natural sciences and engineering, measurements do not apply to nominal properties of objects or events, which is consistent with the guidelines of the International vocabulary of metrology published by the International Bureau of Weights and Measures. However, in other fields such as statistics as well as the social and behavioural sciences, measurements can have multiple levels, which would include nominal, ordinal, interval and ratio scales.
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Measurement
Physical quantity
Base quantity
Length
Mass
Time
Thermodynamic temperature
Electric current
Luminous intensity
Amount of substance
physical quantities that cannot be derived from other physical quantities
Derived quantity
Area
Volume
Density
Velocity
Acceleration
Force
Momentum
Pressure
Work done
Charge
physical quantities that are derived from the combinations of base quantities.
Scalar quantity
magnitude only
Distance, Area, Length, Work done, Temperature
Time, Volume, Speed, Energy, Density
Vector quantity
both magnitude and direction
Displacement
Velocity
Force
Acceleration
Momentum
Scientific investigation
Shape of Graph
y directly proportional to x
y increases linearly with x
y increases with x
y decreases linearly with x
y decreases with x
y is inversely proportional to x
Analysing graphs
Relationship between two physical quantities
Gradient of graph
Area under the graph
Interpolation of graph
Extrapolation of graph
Measurement
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magnitude only
both magnitude and direction
Measurement
Physical quantity
Scientific investigation
Base quantity
Length
Mass
Time
Thermodynamic temperature
Electric current
Luminous intensity
Amount of substance
Derived quantity
Area
Volume
Density
Velocity
Acceleration
Force
Momentum
Pressure
Work done
Charge
Scalar quantity
Distance, Area, Length, Work done, Temperature
Time, Volume, Speed, Energy, Density
Vector quantity
Displacement
Velocity
Force
Acceleration
Momentum
Shape of Graph
y increases linearly with x
y increases with x
y decreases linearly with x
y decreases with x
y is inversely proportional to x
Analysing graphs
Relationship between two physical quantities
Gradient of graph
Area under the graph
Interpolation of graph
Extrapolation of graph
physical quantities that cannot be derived from other physical quantities
physical quantities that are derived from the combinations of base quantities.
y directly proportional to x
Measurement
Physical quantity
Base quantity
Length
Mass
Time
Thermodynamic temperature
Electric current
Luminous intensity
Amount of substance
physical quantities that cannot be derived from other physical quantities
Derived quantity
Area
Volume
Density
Velocity
Acceleration
Force
Momentum
Pressure
Work done
Charge
physical quantities that are derived from the combinations of base quantities.
Scalar quantity
magnitude only
Distance, Area, Length, Work done, Temperature
Time, Volume, Speed, Energy, Density
Vector quantity
both magnitude and direction
Displacement
Velocity
Force
Acceleration
Momentum
Scientific investigation
Shape of Graph
y directly proportional to x
y increases linearly with x
y increases with x
y decreases linearly with x
y decreases with x
y is inversely proportional to x
Analysing graphs
Relationship between two physical quantities
Gradient of graph
Area under the graph
Interpolation of graph
Extrapolation of graph
Mind Map
Outline
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