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Which subject	Chemistry
What topic	Chromatography techniques
What length (min)	60
What age group	Year or Grade 11
Class size	20
What curriculum	Queensland
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Number of slides	5
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Lesson plan

Topic

Chromatography Techniques

Objectives

• Understand the basic principles and applications of chromatography.
• Identify different types of chromatography techniques and their uses.
• Demonstrate the process of paper chromatography through a practical experiment.
• Analyze and interpret chromatographic data.

Materials

• Paper chromatography supplies (filter paper, capillary tubes)
• Solvents (water, ethanol)
• Beakers or plastic cups for solvent
• Pens or markers
• Rulers
• Analytical balance (if available)
• Whiteboard and markers
• Lab coats and safety goggles
• Printed handouts on chromatography principles

Grade/Age Group

Year 11 (ages 16-17)

Subject

Chemistry

Class Size

20 students

Lesson Duration

60 minutes

National Curriculum

This lesson plan aligns with the Queensland Curriculum for senior secondary chemistry, focusing on chemical analysis techniques.

Lesson Structure

Step Number	Step Title	Length	Details
1	Introduction to Chromatography	10 mins	Discuss what chromatography is, its importance in chemical analysis, and real-life applications. Introduce vocabulary: stationary phase, mobile phase.
2	Types of Chromatography	10 mins	Present and explain various types of chromatography (paper, TLC, column). Use visual aids and examples.
3	Practical Demonstration	15 mins	Conduct a step-by-step demonstration of paper chromatography, highlighting key techniques and safety measures.
4	Guided Student Experiment	15 mins	Students will conduct their own paper chromatography experiments in small groups, using provided materials.
5	Data Analysis	5 mins	Instruct students on how to analyze their results (e.g., measuring Rf values) and what conclusions can be drawn.
6	Reflection & Review	5 mins	Review key concepts from the lesson, answer any questions, and provide clarification as needed.

Homework

Complete a worksheet on chromatography principles and techniques. Students should submit this worksheet individually for marking, without the need for presentations. Encourage them to include at least one application of chromatography in real life.

Lesson script