When a candle burns down, what happens to the mass that appears to be shrinking? Lesson begins with a demonstration of the chemical reaction of a candle burning. Then scholars use atom models to observe conservation of mass concretely. 

Concepts

chemical reactions, physical capital, chemical changes, reactants, products, combustion, conservation of mass

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Additional Tags

science

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Instructional Ideas

• Preteach subscripts and coefficients before starting the lesson

Classroom Considerations

• Assumes prior knowledge of physical changes
• Requires a large projection of an animation found online
• Lesson is the first in a series of 12

• This resource is only available on an unencrypted HTTP website.It should be fine for general use, but don’t use it to share any personally identifiable information

Pros

• Includes discussion questions, typical answers, and ideal answers to help guide the lesson
• Great for visual and kinesthetic learners

Cons

• None

Common Core

RST.6-8.3 RST.6-8.4 RST.6-8.7 WHST.6-8.1.a WHST.6-8.1.b WHST.6-8.1.c WHST.6-8.1.d WHST.6-8.1.e