Science and Mathematics Initiative for Learning Enhancement (SMILE)
Smile: Comparing Liquid Density
Because different liquids have different properties, density also differs. For this lesson from the Illinois Institute of Technology, learners will calculate densities of water, dish-washing detergent, cooking oil, and other liquids.
National High Magnetic Field Laboratory
Magnet Academy: Electric Range 1892
From the Stone Age to today, the search is constantly underway for better, more efficient ways to cook food. Reflecting many of the advances in science and technology, the electric range has become a popular choice for homes and businesses.