Activities tagged: experiment

Learn about light and spectra building a spectroscope with a CD!
Like a "modern" Galileo, use true astronomical satellite observations to discover if the Sun (and other celestial objects) are rotating!
Find out the Sun’s rotation period, applying the simple equation of average speed to a real astronomical case.
Lets' investigate gravity, dark matter and dark energy with some very simple experiments!
What are black holes and what would happen if the Sun was replaced by one of them?
How do astronomers detect invisible black holes?
Let's investigate the nature of dark matter and energy with gravitational lensing!
A simple model experiment to understand what makes a planet habitable.
Learn what would happen on Earth if all the ice melted!
Are our oceans turning to acid? Lets' learn how water turns in acid and back.
Why do oceans play an important role in mitigating global warming?
How did Arabian sailors navigate at sea?
Observing what gravity is doing to the Universe
The air circulation system: how are winds created?
Unveiling the mystery of "shooting stars": meteors, meteorites and meteroids
A literal Earth-Shattering experiment
Learn the ancient skill of Celestial Navigation
Investigate the properties of carbon dioxide with this fun demonstration.
Hands-on activity to measure the Sun by using household materials.