Changing Mass During Chemical Reactions

A comprehensive, engaging, challenging and interactive lesson package designed with AEN students and non-science/non-chemistry specialist teachers in mind!

This lesson contains:

• Lesson powerpoint - including teacher notes and answers in “notes” section
• Student led lesson worksheet
• Teacher answer sheet
• Practical and Demonstration Risk Assessments

Lesson resources contain:

• In-built challenge tasks throughout
• In-built scaffolded learning for lower abilities
• AFL activities to assess progress and understanding that you can tailor to fit any class or available resources

Objectives:
Students will be able to…

• Predict whether a chemical reaction under given conditions will get lighter, heavier or stay the same mass
• Explain why some chemical reactions might appear to get lighter
• Explain why some chemical reactions might appear to get heavier

This lesson contains a student led lesson sheet, with the focus being on students learning through doing, practicing skills and identifying patterns and reasons themselves. Resources and slides ask students the key questions and develops ideas and concepts from the ground up and address common issues, mistakes and misconceptions.