No two liquids have exactly the same boiling point. As such, using a kjeldahl bulb, it is possible to separate any mixture of two liquids by raising the temperature of the mixture to a point where one of the two will boil while the other remains liquid. This classroom or lab quality student distilling apparatus includes a comprehensive instruction manual that discusses how this process is applied in various industries, such as the oil industry.
Exciting magnet exploration for ages 8 and up!
Create all kinds of marble run combinations with this 80-piece Marble Run set!
Watch this laser pointer emit a cool purple beam!
This is a great clean heat demonstration model for the classroom setting!
Explore the wonders of wind power with this amazing kit!
NEW 2016 DESIGN! This hip red tee features Pi to 1000 decimal places on an ultra soft 100% cotton shirt.