Free Science Resources

Download the best freeware and visit the top free websites for learning science, astronomy, chemistry, maths and physics - mostly for kids, but also for grown-ups.

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Science

Logisim - Simulate Digital Logic Circuits

Logisim is free sortware for designing and simulating digital logic circuits. It facilitates learning most basic concepts related to logic circuits. Logisim can be used to design and simulate entire CPUs for educational purposes.
Read more... (11/21/2011)
http://ozark.hendrix.edu/~burch/logisim

Yenka.com - A Math and Science Tutoring Lab Right On Your Desktop

Please note: Yenka is free for home use only
Yenka is a highly interactive, visual application that teaches students fundamental concepts in mathematics, science, technology and computing.
Read more... (11/22/2010)
http://www.yenka.com/

Immune Attack - Educational 3D Biology Video Game

Immue Attack is a high tech 3D computer game that teaches how the human body and the immune system work. In this game, you program a nanobot to teach all cells in the body how to fight bacterial and viral infections. A great game for high school science students.
Read more... (07/17/2009)
http://fas.org/immuneattack/

Microsoft Worldwide Telescope - Teach Astronomy

Worldwide Telescope is a free Microsoft application that lets you travel through outer space. You can pan in and zoom in close to moons, planets, solar systems and galaxies. Images are taken from the Hubble Space Telescope and ten earth-bound telescopes.
Read more... (09/01/2008)
http://www.worldwidetelescope.org/

Solve Elec - Electrical circuits Analysis and Resolution

With Solve Elec you can draw and analyze electrical circuits functioning in direct current, get literal formulas and values for current intensities and voltages defined in the circuit and verify circuit related equations.
Read more... (03/05/2007)
http://www.physicsbox.com/indexsolveelec2en.html

Stellarium - A Free Planetaruim

Stellarium is a free open source planetarium. It shows a realistic sky in 3D, just like what you see with the naked eye, binoculars or a telescope.
Read more... (08/25/2006)
http://www.stellarium.org/

Celestia - Free Space Simulation

Celestia is a free real-time space simulation that lets you experience our universe in three dimensions. Navigate through space and visit Saturn, Mars and the Sun!
Read more... (11/25/2005)
http://www.shatters.net/celestia/

Google Earth - View The Earth From Space

Google Earth is an amazing piece of software displaying maps, 3D buildings and satellite images of the entire world. Highly recommended.
Read more... (10/31/2005)
http://earth.google.com/

Science

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8 Websites to Teach Kids About Space
Space is an area of study that teachers can use to spark the interest and imaginations of students in any country and in almost every age group. The following websites are eight of the best online resources for getting children involved and interested in the many topics that make up the study of space.
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6 Websites That Help Teach Computers For Children
The resources in this article are some of the best online resources today that you can use to introduce your kids to computer concepts in a way that is interesting and fun.
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