The strength of different magnets could be tested by counting how many paper clips they could hold. If you were creating a bar chart to display the results, how might you label it?

Communicating results is about sharing discoveries.  One of the most important parts of a scientific investigation is the end, where you display your results and tell everyone what you've discovered. There are many ways you can do this - bar charts, graphs, tables etc. You just have to choose the best one.