LED questions

​Lesson Objectives:

1. Have students observe and learn about LEDs

Materials:​

• LEDs
• Coin cell batteries

Let's Get Started!

You can learn a lot about electronics by observing the components carefully. Here are some questions that you can think about as you play with LEDs. 
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Questions: 
1. Why do you think the LED has a short leg and a longer leg?
2. How many LEDs can you glow using a coin cell?
3. Why do you think the Blue LED stops lighting up when we add a Green or Red LED?