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The Chain Reaction Ledger: Energy Stores and Pathways
Created by Argraide
Updated November 7th, 2026
At a glance
- Staff pick
- Picked by the Argraide team
- Play mode
- 📺 Presenter
- Format
- 🧊 3D
- Length
- ⏱ About 20 minutes
- Subject
- Science
- Grade
- 8
- Curriculum
- Alberta
- Curriculum code
- 8E2
About this activity
A projector simulation of a chain-reaction machine in a farm workshop. Before each step the class predicts which energy store empties, which store fills and which pathway carries the energy; then the 3D machine runs and the energy ledger updates, so the class sees the total stay the same while some energy spreads into the thermal store of the surroundings.
What students learn
- Identify the energy stores (thermal, kinetic, elastic, gravitational, chemical, magnetic, electrostatic, nuclear) in the parts of a machine
- Describe how energy is transferred from one store to another through a pathway: heating, radiation, mechanical work or electrical
- Use an energy ledger to show the total stays the same while some energy spreads into the thermal store of the surroundings
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