GCSE C3 Lesson 1 Conservation of Mass

Aimed at supporting SEN and EAL students doing GCSE Chemistry. Task based design worksheet.

The worksheet covers Conservation of Mass in Chemical Reactions. It covers essential concepts in a structured, easy-to-follow format, with tasks designed to reinforce understanding and encourage independent learning. Easy to use format for quick teacher checking.

Key Sections Included:

Learning Objectives

Understand why mass remains constant in chemical reactions.
Recognize how balanced equations reflect conservation of atoms.
Interpret multipliers and subscripts in chemical formulas.

Task 1: Retrieval Practice / Do Now
Quick-start questions reviewing atomic structure, chemical symbols, and chemical formulas.
Includes multiple-choice questions, fill-in-the-blank, and true/false statements.
Task 2: Key Terminology Matching

Task 3: Reading Comprehension

Task 4: Gap Fill Activity

Task 5: Guided Practice (We Do)
Hands-on activity simulating a chemical reaction with model atoms to visually demonstrate conservation of mass.

Task 6: Independent Practice (You Do)
Analyze and balance a given chemical reaction independently, with questions encouraging reflection on the importance of balanced equations.

Task 7: Knowledge Test - Mini Whiteboard Quiz
A tiered question set to assess understanding, covering basic to advanced concepts in mass conservation.

Task 8: Exam Skills

Multiple-choice and short-answer exam questions, designed to develop exam technique and reinforce key principles.
Task 9: Exit Ticket - Reflection & Self-Assessment