Why Don't We Float Away?
The Big Idea
Explore the invisible force of gravity that holds our world together. Discover how the Earth’s massive size creates a powerful pull that keeps us, our oceans, and our atmosphere firmly on the ground.
Key Vocabulary & Concepts

Hands-On Observation Checklist
Teacher & Parent Discussion Starters
- Why is understanding why don't we float away? 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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If space is a total vacuum with no air to push against, how does a massive rocket ship actually move forward? Unlock the secrets of Newton's Third Law and the physics of fire that allow us to reach the stars.
How Does GPS Work?
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.
