The Science of Flying!
Have you ever wondered how a heavy airplane stays up in the fluffy clouds? It's not magic—it's physics! Planes use four invisible pushes and pulls to zip through the sky. Check out our flight map on the left to see how Lift, Drag, Thrust, and Weight work together to make flying possible for Sunny and all her hangar friends!
Lift: The Upward Push
Lift is like a secret upward hand that helps Sunny’s plane climb high! When air flows faster over the curvy top of a wing than underneath it, it creates a special 'upward push.' It is exactly how birds stay in the sky and how our museum planes took off on their grand adventures years ago.
Hangar Activity: The Paper Wing!
1. Cut a long strip of paper about 2 inches wide.
2. Hold one end flat against your chin, just below your lips.
3. Take a deep breath and blow straight across the top.
What happened? Your paper wing lifted up! Blowing air fast over the top decreased the pressure, creating lift just like a real airplane!
Drag: Moving Through Air
Drag is the air pushing back against a plane! It's like the wind trying to give Sunny a big hug that slows him down. At our museum hangar, you'll see how planes are built narrow and smooth—we call that 'streamlining'—to slide through the air just like a fish in water!
Kitchen Lab: Hand vs. Wind
Next time you're out on a breezy day, hold your hand flat like an airplane wing and point your fingertips into the wind. See how easy it feels? Now, turn your palm flat against the wind—whoa! That's Drag trying to hold you back. Grab your Sunny's Hangar book and see if you can spot the most streamlined plane!
Thrust: Power Forward!
Ever wonder how planes zip across the sky? That's Thrust! Whether it's a roaring jet engine or a spinning wooden propeller, thrust is the mighty 'invisible push' that moves the airplane forward. It's just like the wind you feel when you push off the ground on your scooter—but much, much stronger! At Sunny's Hangar, we see these engines in action every day.
Activity: The Balloon Rocket!
Tie a long piece of string between two chairs. Thread a straw onto the string, then tape an inflated (but not tied!) balloon to the straw. Let it go and watch it zip! This shows how escaping air pushes the balloon forward, just like an airplane engine propels our hangar friends through the air.
Weight: Staying Balanced
Weight is the secret force that pulls everything back toward the solid ground! It's gravity's way of saying 'hello' to Sunny and her friends. Because planes are made of strong metal and heavy engines, they have to work extra hard to lift themselves up. Balancing weight is the first step to high-flying adventures!
Gravity Test Activity
Try the 'Great Gravity Drop'! Hold a heavy book in one hand and a crumpled piece of paper in the other. Drop them at the same time and see how gravity pulls on both! Gravity is the force an airplane has to overcome with its wings to reach the clouds.
Want to see real planes?
Check out our favorite STEM books or visit the hangar to see high-flying history in person!