Lesson 2: Understanding Variables (KS3 Independent, Dependent & Control) + Worksheet

An engaging KS3 science lesson introducing pupils to independent, dependent, and control variables — perfect for Year 7 students beginning to plan investigations.

Pupils will:

• Define the three types of variables.
• Identify the IV and DV in practical investigations.
• Use a catchy memory trick to remember which is which.
• Apply their understanding using a accessible worksheet (included in Word format).
• Finish with a reflective plenary to consolidate their learning.

This lesson is designed to build confidence in scientific thinking and prepare pupils for writing their own investigation plans.

Includes:

Full lesson PowerPoint

Printable worksheet (editable Word version)

Plenary reflection activity

Clear learning objectives and success criteria

Perfect for KS3 (Year 7) or as a recap for Year 8 before practical work.