Monthly Archives: September 2016

Right triangles are extremely common in science homework. Even though they are common, they can be confusing to new students. That is why we have the Egyptian god SOHCAHTOA. SOHCAHTOA is a handy mnemonic trigonometry students learn to remember which sides of a triangle are used for the three main […]

Right Triangle Trigonometry and SOHCAHTOA

This entry was posted on by (updated on )
Printable Black and White Periodic Table - 2016 Edition
The IUPAC has updated the list of known elements with four new elements, bringing the total to 118 elements. Elements 113, 115, 117, and 118 are now known as nihonium, moscovium, tennessine, and oganesson. To commemorate this event, we’ve updated the printable periodic tables to include all 118 elements. Each […]

Printable Periodic Tables with 118 Elements

This entry was posted on by (updated on )
Cat Table T-shirt
You can get a regular color periodic table all 118 elements, but how about a periodic table with cats? Periodic Table With Cats – 118 Element Edition This is the popular cat periodic table, updated to include the names of elements 113, 115, 117 and 118. The names for these […]

118 Element Periodic Table With Cats

This entry was posted on by (updated on )
The dancing charcoal chemistry demonstration is extremely exothermic, so your test tube might break. Use caution!. Neil Tackaberry, Flickr
Chemistry demonstrations involving fire, color change, and sound leave a lasting impression on students. The “dancing charcoal” demonstration is sure to be a hit! Oxidation of Charcoal by Potassium Nitrate Drop a small piece of charcoal into a test tube of melted potassium nitrate and watch the charcoal dance as […]

Dancing Charcoal Chemistry Demonstration

This entry was posted on by (updated on )