Introduction to Energy Efficiency – Bell Ringer
Summary
Introduction to Energy Efficiency Bell Ringers: Classroom Warm-Up Prompts
The Introduction to Energy Efficiency bell ringers are short classroom prompts designed to help students begin thinking about energy efficiency, conservation, and everyday energy use. These warm-ups encourage reflection and discussion before formal instruction, helping students connect personal experience to broader energy concepts.
Students consider examples of using less energy without changing lifestyle, reflect on whether efficient systems can still be wasteful, and evaluate how daily choices affect energy demand and environmental impact. These prompts surface prior knowledge and misconceptions that can be addressed during the full lesson.
Bell ringers are especially effective for introducing energy efficiency because they frame efficiency as a design and decision-making concept rather than a rule about behavior. Teachers can use these prompts to activate thinking, spark discussion, or transition into activities focused on appliance efficiency, energy demand, and trade-offs.
This activity is part of the Introduction to Energy Efficiency lesson, which includes vocabulary development, data analysis, a hands-on design challenge, and answer keys.
Energy efficiency means using less energy to do the same work. What is one example from your own life where something uses less energy but works just as well?

List three ways you could use less energy in one day without changing your lifestyle or giving anything up. Do you think these choices would help the planet? Why or why not?

Can something be energy efficient but still wasteful? Give an example, or explain why not.
