CLASS 6 · LEARNING KNOWLEDGE
Measured values and diagrams – basics and applications
How it works
Measured values are results of measurements, which are often recorded in tables and presented in diagrams for better overview. Diagrams such as bar charts, line graphs or pie charts help compare values, recognise trends or show proportions. In bar charts and line graphs, the axes must be labelled; the units of the measured quantities must be given. Pie charts show proportions of a whole and, instead of axes, require clear labelling of the proportions or categories.
Note
Measured values are collected in tables and clearly presented in suitable diagrams. A bar chart is often suitable for comparing individual values, a line graph for changes over time, and a pie chart for proportions of a whole. In diagrams with axes, these must be correctly labelled and provided with units. The choice of diagram type depends on the type of data and the purpose of the presentation.
Measured values are collected in tables and clearly presented in suitable diagrams. A bar chart is often suitable for comparing individual values, a line graph for changes over time, and a pie chart for proportions of a whole. In diagrams with axes, these must be correctly labelled and provided with units. The choice of diagram type depends on the type of data and the purpose of the presentation.
An example
Which axis labelling is correct for a diagram with temperature (in °C) over time (in minutes)?
The x-axis is labelled "Time (min)" and the y-axis "Temperature (°C)", since time is the independent variable and temperature is the dependent variable.
Try it yourself now
50 Exercises
To the learning unit →Own explanation and own practice exercises by AmyMath. Subject reference framework: Physics. The topic assignment may vary by federal state.