Quick answer: An atom is the smallest particle of an element, and a molecule is two or more atoms bonded together. This grade 8 science quiz checks atoms and molecules with 10 multiple-choice questions and instant feedback; every answer comes with a short explanation.
This atoms and molecules quiz for grade 8 science has quick multiple-choice questions with instant feedback. Need a refresher first? Read the lesson or do the worksheet on atoms and molecules.
Choose the best option for each question. Only one answer is correct, and the others are based on mistakes students often make when they read formulas and models.
