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This Atoms and Their Masses activity also includes:
Are atoms too small to be isolated? Answer this question and more as you provide young chemists with the tools to conduct a hands-on activity demonstrating atomic mass. Pupils explore the mass of copper and aluminum, compare Dalton's historical experiment to those of modern-day scientists, and witness single displacement reactions as they complete a series of steps to form a chemical compound.
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Instructional Ideas
- Take the experiment one step further and perform a double displacement reaction upon conclusion of the first activity
Classroom Considerations
- Class members should have prior knowledge of balance operation
- Ensure safety precautions are in place, and make certain all chemical spills are cleaned immediately
- This is the third installment in a 9-part series
Pros
- Ability to engage multiple learners through tactile use of weighing chemicals on scientific balance and relating this to important concepts
- Detailed steps provide a way for each pupil to work independently, if this is a chosen method, for the duration of the activity
Cons
- Document permissions do not allow for printing