Air & Space

What Is the Path of the Sun?	Design Your Own Universe	The Hubble Constant: Effect of Distance On Speed
It’s not difficult to trace the sun's path. You can use either reflected light or ordinary shadows…	You determine the fate of the universe…	Use a rubber band, to understand how Hubble's discovery makes sense.…
Build Your Own Star	Air Resistance	Galileo Drops the Ball
Set the initial characteristics of your star then see its life story unfold…	See how a parachute affects the velocity of a falling skydiver…	Find out why Galileo is wearing a space suit…
The Doppler Train	The Doppler Game	The Expanding Balloon
When a train passes you the pitch of the sound of the whistle drops as the train speeds past you. Is the pitch really changing?	Listen to the "Doppler Effect" in action, then build your own buzzer ball and hear for yourself…	Using a balloon we can begin to understand what is going on in the universe…
Make a Parachute
You can make little parachutes out of many kinds of materials.

…more Science Lab projects about… Air & Space Earth Science Electricity & Magnetism Properties of Liquids		…try some interactive experiments in our… Virtual Lab
		…or test your skills at our… Math Puzzle of the Month Engineering Challenge