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Penny Battery Project Concepts

Penny Battery Project Concepts

Assessment

Interactive Video

Physics, Chemistry, Science

6th - 8th Grade

Practice Problem

Hard

Created by

Patricia Brown

FREE Resource

The video demonstrates how to create batteries using pennies, cardboard, and vinegar. It begins by sorting pennies by date to ensure they contain zinc, then sanding them to expose the zinc. The process involves stacking pennies with vinegar-soaked cardboard to generate electricity, which is tested by lighting an LED. The video also explores using penny batteries to power a calculator, showcasing the potential of this simple energy source. The project is presented as a fun and educational experiment, encouraging viewers to explore similar DIY projects.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary reason for selecting pennies minted after 1982 for this project?

They contain a high percentage of zinc.

They are made of pure copper.

They are larger in size.

They are easier to clean.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What was the issue encountered when using double-sided sticky tape and an orbital sander?

The pennies were damaged.

The adhesive melted and left a sticky residue.

The zinc was not exposed.

The pennies were scratched.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How much voltage was generated by stacking all the penny cells together?

3 volts

9 volts

1.5 volts

6 volts

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What was the current draw when testing the penny battery with an LED?

100 microamps

170 microamps

200 microamps

250 microamps

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How long did the penny battery last while powering the green LED?

A few hours

One day

Two days

Three days

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What alternative material was used instead of sanding pennies for the calculator battery?

Copper washers

Aluminum foil

Zinc washers

Steel washers

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many volts were needed to power the calculator?

2 volts

1.5 volts

4 volts

3 volts

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