Law of Mass Conservation Answer Key

Students explore the scientific principle that mass is neither created nor destroyed but simply changes form. Through practical, word-based problems, they calculate total mass before and after physical changes, such as melting, mixing, or slicing. The worksheet encourages learners to use mathematical reasoning and science concepts together to demonstrate that mass remains constant when no material is lost. Scenarios involving food, materials, and everyday objects connect the abstract concept to real-life examples. This integration of measurement and scientific law strengthens students’ understanding of conservation, precision, and critical thinking in problem-solving.

Curriculum Matched Skills

Science – Conservation of Mass in Physical Changes

Mathematics – Addition and Subtraction of Quantities in Context

Science – Applying Measurement to Scientific Principles

Mathematics – Problem Solving Using Real-World Scenarios

This worksheet is part of our Weight & Mass collection.