Year 7 Science Lesson Pack – Variables in Tables & Graphs

Help students master how to record and present data correctly with this complete lesson pack: PowerPoint, differentiated worksheets, graph templates, and teacher answer key.

This resource is designed for the WJEC/KS3 Year 7 “I’m a Scientist” topic but can be adapted for any KS3 science class. Students learn how to identify independent and dependent variables, place them correctly in tables and graphs, and understand why this matters for fair testing and data presentation.

Lesson Content Covers:

Identifying independent, dependent, and control variables

Correctly positioning variables in tables (IV first, DV second)

Plotting data on the correct graph axes

Spotting and correcting mistakes in results tables and graphs

Designing a mini-investigation using correct data presentation

Extension and challenge questions for higher ability learners

What’s Included:

PowerPoint presentation (.pptx) – objectives, worked examples, error-spotting activity, extension tasks, plenary, and homework

Expanded Worksheet Pack (.pdf) – seven printable worksheets covering sorting, mistake identification, planning, and challenge questions

Graph Templates & Teacher Answer Keys (.pdf) – blank graph grids and completed examples for classroom or homework use

Embedded Teacher Notes – step-by-step delivery guidance with safety and differentiation ideas

How it can be used:

As a complete 60-minute lesson for Year 7 or lower KS4 recap

To reinforce skills in presenting scientific data

For group work, individual practice, or formative assessment

Adaptable for cover lessons or homework

Keywords: Year 7 Science, KS3 Science, WJEC, independent variable, dependent variable, control variables, fair test, graph skills, data tables, bar chart, line graph, PowerPoint, worksheets, PDF.

File Types: .pptx (PowerPoint), .pdf (worksheets + answer key), .zip (complete pack)