![header-lesson-03](assets/header-lesson-03.png)

# Opener

## LEDs

### Observe the LED

- Spend about 2 minutes carefully examining the LED. Notice its different parts and features.
- What do you notice about the shape and size of the LED?

### Prepare to Share

- Be ready to share one or two observations you observed about the LED with the class.

### Participate in Discussion

- Listen as your classmates share their observations. You might learn something new from what they noticed!