Observing evidence of chemical change and offering qualitative explanations for the observed changes in substances in terms of interaction and rearrangement of the atoms, and the production of new substances with different characteristics, but the same mass as the original substance.
- Physical Science
- When matter undergoes a chemical change it turns into a new and different substance whose properties are different from the original. No matter how substances interact with one another, the total mass of the system remains the same.
Students demonstrate their understanding of Chemical Change by