Class 4 · Science · Hard level · 5 questions
Particle Model: Solids & Liquids · Apply It
Everything is made of tiny particles, and how they are arranged explains a lot. In Class 4 Science the topic covers everything is made of particles, particles in a solid, particles in a liquid and always moving. This quiz is the hardest level, with Class 4 exam-style questions that mix the ideas together. 5 questions (multiple choice), marked the moment you finish, with the reason for every answer.
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