Quick answer: A physical change alters the shape, size or state of a material without making a new substance, while a chemical change makes new substances with different properties. This grade 7 science quiz checks chemical change with 10 multiple-choice questions and instant feedback; every answer comes with a short explanation.
This chemical change quiz for grade 7 science has quick multiple-choice questions with instant feedback. Need a refresher first? Read the lesson or do the worksheet on chemical change.
Ten multiple-choice questions on physical and chemical changes, signs of reactions and word equations. Choose one answer for each question and read the explanation, especially for any you got wrong. The wrong options are typical student mistakes.
