Storing and Using Energy in a Battery

1
Lesson 4

• Storing and Using Energy in a Battery

2
Graphing Tips

• Always choose equal intervals for your scale
• Your x and y axis scales can be different
• Draw smooth lines to connect most points

Y-axis Dependent Variable

• X-axis Independent Variable

3
Task

• Follow the procedures found on page 28 of your
  lab manual.
• Record data and observations on your student
  sheet.
• Share your data with the class to calculate
  averages.
• Design a graph to display your results.
• Answer the reflection questions A-F on page 29 of
  your lab manual.

4
Lab Summary

• Lesson 4 Storing and Using Energy in a Battery

5
Question

• How does the amount of charging time affect the
  time a light bulb will work?

6
Hypothesis

• If charging time increases, the light bulb will
  work longer.

7
Materials

• Batteries, charger, flashlight, stopwatch

8
Procedure

• See page 28 of lab manual

9
Analysis

• See student data sheet and graph

10
Conclusion

• (answer your question in paragraph form
  supporting it with your data)

11
New Questions

• Do all batteries recharge the same way?

12
Reading

• Electric Cars Back to the Future?

Read and answer the provided questions in your
notebook