A capped 2-liter plastic bottle containing a clear, colorless liquid is shaken. The liquid turns a deep blue color. At rest, the liquid returns to colorless. The cycle can be repeated many times. Ask ...

Water is clear and colorless and has many interesting and useful characteristics ... Place about ½ teaspoon of each liquid in its labeled cup. On a stiff piece of paper, label three areas Water, Oil, ...

Students investigate three clear colorless liquids: water, mineral oil, and corn syrup. Students place drops of each liquid on the surface of a zip-closing plastic bag and see that the liquids look ...

Some popular acne creams are being recalled because the product may contain elevated levels of benzene, a chemical that causes cancer, the FDA said.

The U.S. Environmental Protection Agency has identified the “other chemicals” recently detected at the eastern end of the site of the 2023 East Palestine train derailment as toluene, semivolatile ...