A wheel with teeth along its edge. A gear’s teeth fit into the teeth of another gear. As one gear turns, the other gear turns in another direction. If the gears are different sizes, they will turn at different speeds. A set of gears can be used to change speed,…

Explore Science Dictionary

Seymour Science Blog

Coding 101Monday March 4, 2019

Coding 101

I had a good time rewriting my latest book, HOW TO TALK TO YOUR COMPUTER (now part of HarperCollins’ Let’s Read and Find Out series). I have always been interested in the intersection of kids, education and computers, and I wrote the…

Seymour Simon on Facebook and Twitter Become a Seymour Simon Facebook Fan Follow Seymour's field notes and photos