KS3 Starch in a Leaf Practical Lesson

A complete KS3 practical lesson on testing a leaf for starch using iodine solution.

This lesson includes a PowerPoint lesson, student worksheet, practical method sheet and answers.

Students learn:

Why plants store glucose as starch.
How to test a leaf for starch.
Why boiling water and ethanol are used.
How the practical provides evidence for photosynthesis.
Practical safety and risk assessment.

Included:

PowerPoint lesson
Student worksheet (Word)
Student worksheet (PDF)
Method sheet (Word)
Method sheet (PDF)
Answer slides

The lesson contains:

Do Now retrieval starter
Do Now answers
Learning objectives
Mini-whiteboard checks
Practical method
Independent tasks
Risk assessment activity
Self-assessment

Designed for KS3 Science.