A collection of ten hands-on science experiments for the entire family that will help you understand concepts in astronomy. Make an astrolabe, find the size of the sun and moon, build a lunar settlement, find out about meteoroids, shadow...

When you are in the city, only a few of the brightest stars are visible. But when you are in the country, you can see many more stars than you can count. Sometimes you can even see the bright belt of our galaxy, the Milky Way. In this...

On a rainy day, do you ever wonder what the weather is like on the other side of the planet? Different regions around the globe can have very different seasonal weather patterns. In this experiment, you can test if these seasonal...

How do astronomers collect stardust? They design and build satellites that are launched into space to collect particles on specially designed panels. Satellites can be sent to orbit around an object of interest: a planet, moon, or comet....

If you live in a big city or urban area it is hard to see many stars at night. In most urban areas only the most brilliant stars, planets and the moon can be seen. This is because of something called light pollution which is the...

[Free Registration/Login Required] This flipchart gives a guideline for planning and conducting science experiments. It gives an organized approach to planning, obtaining evidence, presenting and evaluating the results.

This activity is designed to accompany an interactive on the Annenberg Learner website. Students investigate the changes that take place in an ecosystem when they alter the organisms in a food web. As they work with the simulation, they...

A great resource to discover fun new activities to use in your classroom. Activities are age-appropriate, and span several science topics.

Using spinach leaf disks, students measure the rate at which the photosynthesis process occurs. Students speculate on further investigations that could be done and discuss how the rate at which photosynthesis occurs has vast implications...

This interactive experience allows users to assume different positions and vantage points in space while moving through the Solar System. Also, explore the 2011 Juno spacecraft mission to Jupiter with real-time positioning in space.

Home page for NASA's Discovery Program Messenger to the planet Mercury. Site provides details of the planned mission, its experiments and the science and management teams. Linked Quicktime animation files are very large and detailed....

[Free Registration/Login Required] You are a Scientist, is an introduction to the scientific method and the steps we take in that process. The final page provides a link to the 2003-2004 winning science fair projects displaying the parts...