“List of Free Science Books” from physicsdatabase.com. This site has hundreds of free books in chemistry, physics, astronomy, math, physiology, etc., all online. Click on a title and the online version pops right up. We’re intrigued by “The Wonder Book of Knowledge.” The table of contents lists topics like “Why do we Smile when we are pleased?” “How did the Dollar Sign originate?” “Why do some of us have freckles?”
– “Google Earth Pro,” which used to cost $400 a year, is now free. It can print much more detailed images, import thousands of addresses at once to be pinned on a map, capture high def videos of what’s on the screen, and measure distances using paths, circles and other shapes. It can measure the acreage of an area quickly or open ESRI files, the common format for Geographic Information Systems.
Bit.ly/scicabinet is a kind of science “curiosity cabinet,” a term used to describe collections of marvels in Renaissance times. This modern cabinet contains videos explaining the wonders of science. We watched videos on the electric motor and cannons. The videos are amateurish, but that doesn’t mean you won’t learn something.
Chromoscope.net displays the Milky Way (our galaxy) in several wavelengths. If you were an alien with x-ray vision the galaxy would look quite different to you, so probably would we. Wave lengths shown add gamma rays and radio waves. Here’s looking at you, kid.
Search on the words “8 YouTube Science Projects Kids Will Love” for some neat stuff.
One is called “Milk into Stone: Life in Plastic, It’s Fantastic.” It shows you how ordinary milk and vinegar can be poured into a cookie cutter or other mold. After a couple of days it’s as hard as stone.
Heavens-above.com follows satellites and constellations. There are many dozens of satellites in orbit around the Earth and this will tell you which is which, and where. There’s even a satellite for amateur radio operators. Also has information on stars and constellations.