character: Ms. Sarah Johnson
topic: Material Strength and Elasticity
grade: 12
subject: Chemistry
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character: Mr. Tom Harris
topic: Mechanical Properties of Materials
grade: 12
subject: Chemistry
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character: Dr. Emily Carter
topic: Impact of Temperature on Material Strength
grade: 12
subject: Chemistry
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character: Ms. Lisa Cheng
topic: Elasticity in Different Types of Materials
grade: 12
subject: Chemistry
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