Why Do Stars Twinkle?
The Big Idea
Look up at the night sky to solve an astronomical mystery. Discover how Earth’s turbulent atmosphere acts like a series of moving lenses, bending starlight and making it appear to dance and twinkle.
Key Vocabulary & Concepts

Hands-On Observation Checklist
Teacher & Parent Discussion Starters
- Why is understanding why do stars twinkle? important in everyday real life?
- What variable or factor had the biggest impact when testing the simulation?
- How does this concept connect to another science topic you have learned about?
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