When 50mL of water are added to 50mL of ethanol in a 100mL graduated cylinder, there are only ~97mL of liquid. Ethanol and water molecules are attracted to each other through hydrogen bonding. The two molecules pack closer together with each other than they do with just themselves.
Favorite Demo: Hydrogen Balloons!
Email: carankl@jmu.edu
Affiliation: JMU Chemistry & Biochemistry
Favorite Demo: Colored Flames
Email: rogersce@dukes.jmu.edu
Affiliation: Goochland High School
Email: coppolng@dukes.jmu.edu
Favorite Demo: CO2 Bubbles
Affiliation: JMU Chemistry & Biochemistry
http://freerice.com/#/chemical-symbols-basic/1005
Trivia questions in a variety of subjects, including chemical symbols
http://phet.colorado.edu/en/simulations/category/chemistry
A groups of science simulations organized by topic and an online community to share teaching materials related to the simulations.
Thursday May 23rd, 2013: Casey & Dr. Caran did a set of demo shows for 6th Grade students from Stewart Middle School.
Short articles summarizing recent developments in science fields.
Videos of 384 demonstrations performed by teachers. Each one has a write up to replicate the demo from.