PBL Blog Update 1

1). Where have we been?

Julia, Adrienne and I have decided to build a lamp that is powered by a homemade battery. The homemade battery is an aluminium can that has two thick rubber bands around it and encircled with a thin copper sheet. Around the aluminium can and copper is a salt and water solution. We have a draft of the blueprint on what we want our project to be.

2). Where are we going?

We are going to finish getting our materials for our project such as the thin copper sheets and the wooden board. Then, we are going to drill small holes to hold the lights and test the salt to water ratio to light the lightbulb. We may need to spend more time figuring out the salt to water ratio to make the battery function correctly.

3). Materials? Who’s doing what?


5 alligator clips
4 copper sheets
4 containers
4 aluminium cnas
8 thick rubber hair ties
24 (at least) tablespoons of salt
1 wooden board
4 lightbulbs
1 metal stand

Adrienne will be getting the containers, Julia will be getting the aluminium cans and rubber hair ties, and I will be getting the thin copper sheets. The rest of the materials can be provided by the school. We will all help to build our project.

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