Millions of Americans are drinking water contaminated with harmful chemicals, heavy metals and radioactive substances, ...
For a dissolving test to be fair, the same amount of each substance being tested, and the same amount of water need to be used. The amount of a substance that dissolves in a certain amount of water is ...
A new Environmental Working Group (EWG) report has revealed that millions of Americans are consuming tap water contaminated ...
Students will also be able to explain that density is a characteristic property of a substance. Density is a measure of how heavy something is compared to its size. If an object is more dense than ...
VOICEOVER: Pure and impure substances. The word pure in everyday life doesn't have the same meaning in science. For example, pure orange juice is a mixture of compounds and bottled water still has ...
VOICEOVER: Pure and impure substances. The word pure in everyday life doesn't have the same meaning in science. For example, pure orange juice is a mixture of compounds and bottled water still has ...
Whether to add fluoride to tap water is a local decision left to municipalities. About 62% of Massachusetts residents live in a town with fluoridated drinking water. Many who don't have fluoridated ...
A study led by the Joe C. Wen School of Population & Public Health at the University of California, Irvine has revealed possible links between exposure to per- and polyfluoroalkyl substances in ...
New research has emerged on the development of a novel membrane distillation system and an adsorbent (a substance that can trap chemicals on its surface) for the removal of hazardous perfluoroalkyl ...