In order to build a circuit, we must provide a continuous path for electricity to flow from a power source (for example, a battery), through a conductor (for example, Play-doh), into a device that uses the power (for example, an LED or Light Emitting Diode), and back through another conductor to the power source. This is called a closed circuit. If this continuous path is broken anywhere, electricity will not flow and the LED will not work. This is called an open circuit. If the conductors in a closed circuit are touched together, it forms a new type of undesirable circuit called a “short circuit”. Electricity will still flow through the circuit, but the LED will not work. This is because the LED has a higher resistance than the conductors, and the electricity is “lazy” – it would rather travel through the conductors when they are touching than exert extra effort to travel through the LED. (Roth-Johnson, Perry and Chris Nguyen. Lesson Plan For Squishy Circuits. 1st ed. beam-UCLA, 2016. Web. 11 Aug. 2016.,http://beam.ucla.edu/sites/default/files/docs/Squishy_Circuits.pdf)
Using the provided batteries, Play-doh and LEDs, make a working circuit that lights up. Use the experimentation log (if your teacher has handed this out) to record what you tried and learned.
If your teacher did not pass this out, you can write here about the following aspects of your circuit:
What I want to happen
Example: “I want to make a working circuit”
What I tried
Take a photo and upload or write in words what you did to try to reach your goal.
Example: “We put two pieces of play dough together and attached a red and black wire”
What I learned
Explain what you learned- did what you tried worked? If not, what will you try next to fix it?