calories and heat

Biolite - Fire to Phone Charging

Grades:

7-12

Unit:

Lesson Number:

Description:

This is the 6 th part in the Off the Grid Unit. This lesson continues to look at the efficiency of USB charging devices, but this time we will be using a commercially available camping stove that uses heat to create electricity in order to charge a phone....

Energy Content:

Electrical Energy,

Energy Efficiency,

Energy Fundamentals,

Thermal Energy (Heat)

More Details Less Details

Learning Goal(s):

1. Students will use thermometers and a stopwatch to calculate power. 2. Students will use collected data and be able to make power calculations from this data. 3. Students will also be able to calculate efficiency from their power calculations. 4. Students will be able to compare efficiencies to other circuits tested in this unit. 5. Students will know what the Peltier Junction does.

NGSS Science and Engineering Practices:

3: Planning and Carrying Out Investigations,

4: Analyzing and Interpreting Data,

5: Using Mathematics and Computational Thinking,

7: Engaging in Argument from Evidence

Author:

Brett McFarland

Relevant NGSS PE:

HS-PS3-1

Other Subjects Covered:

Math: Addition, Subtraction, Multiplication, Division,

Math: Measurement