Todd Helmenstine is the physicist/mathematician who creates most of the images and PDF files found on sciencenotes.org.
The graphics are created in Adobe Illustrator, Fireworks and Photoshop.
Todd also writes many of the example problems and general news articles found on the site. Mr. Helmenstine has bachelor of art degrees in physics and mathematics from Hastings College in Hastings, Nebraska.
When you find yourself needing a periodic table in Croatian, this Periodni Sustav Kemijskih Elemenata is the table for you.
A biome is a large distinctive community of plants identified by types of plants and their climate. This biome word search contains 30 biome-related glossary terms. Can you find them all?
Liters ( L ) per minute and cubic meters ( m3 ) per hour are units of flow rates. While this may be a niche conversion, it is useful to learn how to convert two units at the same time. This example will show how to convert L/min to m3/hr.
Clouds are things of wonder. People look for familiar shapes or just wonder how they manage to float in the sky when they weigh so much? This Clouds Word Search hides 18 cloud-related vocabulary terms for you to find.
Amino acids are the basic building blocks of proteins and polypeptides. The 20 most common amino acids, their structures and properties are some of the first things a new biochemistry student memorizes. This amino acid word search is a fun way to acquaint yourself with these amazing molecules.
The electromagnetic spectrum is the collective name of all the different frequencies and types of light or electromagnetic radiation. This electromagnetic spectrum word search has 27 hidden electromagnetic spectrum glossary terms.