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.
Working model representing the sun, earth, and moon and their relationships.
A massive mounted set of 100 rocks and minerals found in the US,
Use this awesome prism to teach about optics and light in the classroom setting!
The Hoberman Sphere expands and contracts with a magical motion so fluid and simple that kids can't help but play with it for hours.
Build a model car that runs on hydrogen gas using a unique reversible fuel cell!
Build a hand that realistically moves its fingers using shape memory allow technology!