character: Lily the Scientist
topic: Reversible and Irreversible Changes
grade: 4
subject: Science
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character: Lily the Scientist
topic: States of Matter
grade: 4
subject: Science
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character: Lily the Scientist
topic: Physical and Chemical Changes
grade: 4
subject: Science
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character: Lily the Scientist
topic: Exploring Mixtures and Solutions
grade: 4
subject: Science
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