What Is A Comet?
The Big Idea
Meet the 'dirty snowballs' of the solar system. Discover what comets are made of, where they come from, and why they develop spectacular glowing tails as they race toward the Sun.
Key Vocabulary & Concepts

Hands-On Observation Checklist
Teacher & Parent Discussion Starters
- Why is understanding what is a comet? 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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Discover the invisible network of satellites orbiting Earth that helps you find your way. Learn how high-tech atomic clocks and complex math allow your phone to pinpoint your exact location anywhere on the planet.
Quantum Entanglement: Spooky Action
Explore the mind-bending world of quantum physics and 'spooky action at a distance.' Discover how two tiny particles can remain perfectly connected across the universe, sharing information instantly regardless of the distance between them.
