Help students develop essential graph drawing and practical investigation skills with this engaging Resistance of a Wire Investigation. Students identify variables, plan a graph, calculate resistance using the equation R = V ÷ I, plot a line graph and interpret the relationship between the length of a wire and its resistance.

This resource is ideal for developing Working Scientifically skills while reinforcing graphing techniques and data analysis.

This resource includes:

• Resistance of a Wire practical investigation
• Identifying independent, dependent and control variables
• Choosing the correct graph type
• Planning graph axes and scales
• Equipment list
• Risk assessment
• Step-by-step practical method
• Calculating resistance using R = V ÷ I
• Results table for recording current, potential difference and calculated resistance
• Plotting a line graph
• Drawing a line of best fit
• Editable PowerPoint
• PDF student worksheet
• Teacher answers included

Skills covered:

• Working Scientifically
• Graph drawing
• Line graphs
• Variables
• Recording results
• Calculating resistance
• Drawing conclusions

Suitable for KS3 Science, KS4 Physics and students developing practical and graph interpretation skills.