Introduction
Have you ever wondered why your electric bill increases when appliances are used more often? Electricity powers our homes, schools, and communities, but using it efficiently is important for saving money and protecting the environment.
In this activity, students will investigate how different household appliances consume electricity and discover ways to reduce energy consumption.
Task
WHAT TO DO:
You are an Energy Auditor assigned to help families use electricity wisely.
Your task is to create a digital infographic, poster, or presentation that answers the essential question:
"Which household appliances consume the most electricity, and how can we reduce electricity usage?"
End Product
Your output should include:
- Common household appliances and their energy consumption
- Factors that affect electricity use
- Tips for conserving electricity
- Recommendations for reducing energy costs
Process
Step 1: Ask Questions
Investigate the following:
- What is electricity consumption?
- Which appliances use the most electricity?
- How is electricity measured?
- What habits can increase electricity usage?
- How can electricity be conserved?
Step 2: Conduct Online Research
Use the resources provided to gather information about electricity usage in homes.
Step 3: Collect Data
Create a table like the one below:
| Appliance | Estimated Power Rating (W) | Hours Used per Day | High, Medium, or Low Consumption |
| Refrigerator | |||
| Electric Fan | |||
| Television | |||
| Air Conditioner | |||
| Rice Cooker |
Step 4: Analyze Your Findings
Answer the following:
- Which appliance consumes the most electricity?
- Which appliance consumes the least electricity?
- What can families do to reduce electricity consumption?
Step 5: Create Your Product
Using Canva, PowerPoint, or Google Slides, create an infographic or 5-slide presentation showing:
- Your findings
- Graphs or charts
- Energy-saving recommendations
Step 6: Reflection
Write a short paragraph answering:
"What energy-saving practices can you start doing at home today?"
Evaluation
Rubric (20 Points)
| Criteria | 4 Excellent | 3 Good | 2 Fair | 1 Needs Improvement |
| Understanding of Electricity Consumption | Demonstrates complete understanding | Minor errors | Partial understanding | Limited understanding |
| Data Collection and Analysis | Accurate and complete data | Mostly accurate data | Some missing data | Incomplete data |
| Quality of Presentation | Well-organized and visually appealing | Mostly organized | Somewhat organized | Difficult to understand |
| Use of Evidence | Uses data from reliable sources | Uses several sources | Uses limited sources | Little evidence provided |
| Reflection | Insightful and practical reflection | Adequate reflection | Limited reflection | Incomplete reflection |
Grading Scale
- 18-20 = Outstanding
- 15-17 = Proficient
- 11-14 = Developing
- 0-10 = Beginning
Conclusion
Through this inquiry activity, students investigated how electricity is used in everyday life and identified appliances that consume the most energy. By analyzing data and exploring energy-saving practices, students learned how responsible electricity use can reduce costs and help protect the environment. As informed citizens, we can make smart choices to conserve energy and promote sustainability.
Credits
Websites
- https://www.eia.gov/energyexplained/electricity/
- https://education.nationalgeographic.org
- https://www.energy.gov/energysaver
Videos
- https://www.youtube.com/results?search_query=how+electricity+works+for+…
- https://www.youtube.com/results?search_query=energy+conservation+for+st…
Text Resources
- Grade 8 Science Module on Electricity
- Science Textbook
- Local electric utility educational materials