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This Intermolecular Attractions and States of Matter interactive also includes:
Need a solid resource for teaching about states of matter? Science scholars go with the flow in a simple interactive that shows how intermolecular attractions determine a substance's phase. Pupils take control of the level of attraction between atoms, then observe how the substance as a whole reacts.
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NGSS:
Adaptable
Concepts
Additional Tags
Instructional Ideas
- Include a discussion of thermal energy with the interactive and use it to launch an NGSS-aligned model development assignment
- Test their knowledge by asking students to adjust the attractions between atoms to produce a liquid in the reaction vessel
Classroom Considerations
- Make sure learners wait between adjustments in particle attraction—it takes time to change states!
Pros
- A sliding scale allows for many levels of attraction between strong and weak
- Particles move and react to changes in a realistic manner
Cons
- None